Finding the Fourth Proportional to 87,581.82, 131,372.79 and 24,402.12
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Solution
The fourth proportional to 87,581.82, 131,372.79 and 24,402.12 is: 36,603.20
Step by Step Solution
- Step 1: Write the proportion equation
87,581.82 : 131,372.79 = 24,402.12 : x - Step 2: Convert to fraction form
87,581.82/131,372.79 = 24,402.12/x - Step 3: Cross multiply
87,581.82x = 131,372.79 × 24,402.12 - Step 4: Simplify right side
87,581.82x = 3,205,774,586.31 - Step 5: Solve for x
x = 3,205,774,586.31/87,581.82 - Step 6: Final answer
x = 36,603.20
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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.