SOLUTION: A pole that is 3.1m tall casts a shadow that is 1m long. At the same time, a nearby building casts a shadow that is 45.5m long. How tall is the building? Round your answer to the n

Algebra ->  Length-and-distance -> SOLUTION: A pole that is 3.1m tall casts a shadow that is 1m long. At the same time, a nearby building casts a shadow that is 45.5m long. How tall is the building? Round your answer to the n      Log On


   

Question 601560: A pole that is 3.1m tall casts a shadow that is 1m long. At the same time, a nearby building casts a shadow that is 45.5m long. How tall is the building? Round your answer to the nearest meter.
Answer by Rcmathtutor(12) About Me  (Show Source):
You can put this solution on YOUR website!
to solve this, use proportions. The height of the pole corresponds to the height of the building; the shadows are corresponding:
3.1%2Fx=1%2F45.5
3.1%2A45.5=1x
141.05=x
The building is 141 m tall.