document.write( "Question 306568: I need help solving the proportion for the unknown variable 4/21 = x/168 Thanks \n" ); document.write( "
Algebra.Com's Answer #219423 by unlockmath(1688)\"\" \"About 
You can put this solution on YOUR website!
Hello,
\n" ); document.write( "We can cross multiply this 4/21 = x/168 to get:
\n" ); document.write( "21x=672 Now divide by 21 to get:
\n" ); document.write( "x=32
\n" ); document.write( "Make sense?
\n" ); document.write( "RJ
\n" ); document.write( "www.math-unlock.com
\n" ); document.write( "
\n" );