Finding the Fourth Proportional to 87,638.96, 131,456.48 and 24,457.44
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Solution
The fourth proportional to 87,638.96, 131,456.48 and 24,457.44 is: 36,685.61
Step by Step Solution
- Step 1: Write the proportion equation
87,638.96 : 131,456.48 = 24,457.44 : x - Step 2: Convert to fraction form
87,638.96/131,456.48 = 24,457.44/x - Step 3: Cross multiply
87,638.96x = 131,456.48 × 24,457.44 - Step 4: Simplify right side
87,638.96x = 3,215,088,972.21 - Step 5: Solve for x
x = 3,215,088,972.21/87,638.96 - Step 6: Final answer
x = 36,685.61
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1.5x scale
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.