Finding the Fourth Proportional to 33.92, 50.79 and 29.09
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Solution
The fourth proportional to 33.92, 50.79 and 29.09 is: 43.56
Step by Step Solution
- Step 1: Write the proportion equation
33.92 : 50.79 = 29.09 : x - Step 2: Convert to fraction form
33.92/50.79 = 29.09/x - Step 3: Cross multiply
33.92x = 50.79 × 29.09 - Step 4: Simplify right side
33.92x = 1,477.48 - Step 5: Solve for x
x = 1,477.48/33.92 - Step 6: Final answer
x = 43.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.