document.write( "Question 79839: Solve the proportion : \r
\n" ); document.write( "\n" ); document.write( "12 / 44 = 21 / x
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Algebra.Com's Answer #57311 by checkley75(3666)\"\" \"About 
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12/44=21/x cross multiply
\n" ); document.write( "12x=44*21
\n" ); document.write( "12x=924
\n" ); document.write( "x=924/12
\n" ); document.write( "x=77 answer.
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