Finding the Fourth Proportional to 72,371.92, 108,558.42 and 22,451.08
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Solution
The fourth proportional to 72,371.92, 108,558.42 and 22,451.08 is: 33,676.79
Step by Step Solution
- Step 1: Write the proportion equation
72,371.92 : 108,558.42 = 22,451.08 : x - Step 2: Convert to fraction form
72,371.92/108,558.42 = 22,451.08/x - Step 3: Cross multiply
72,371.92x = 108,558.42 × 22,451.08 - Step 4: Simplify right side
72,371.92x = 2,437,253,772.09 - Step 5: Solve for x
x = 2,437,253,772.09/72,371.92 - Step 6: Final answer
x = 33,676.79
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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.