SOLUTION: A billboard is 27 feet high and casts a 36 foot shadow at noon. At the same time, a fir tree next to the billboard casts a 48 foot shadow. What proportion can be used to find the h

Question 329780: A billboard is 27 feet high and casts a 36 foot shadow at noon. At the same time, a fir tree next to the billboard casts a 48 foot shadow. What proportion can be used to find the height, H, of the fir tree?
Found 2 solutions by edjones, mananth:
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
x/48=27/36
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
shadow of billboard = 36 feet
height = 27 feet
..
shadow of fir tree = 48 feet
height = x
..
Direct proportion
36/27 = 48/x
x= 48*27/36
x=36 feet the height of fir tree
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