Finding the Fourth Proportional to 77,189.50, 115,792.76 and 24,586.88
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Solution
The fourth proportional to 77,189.50, 115,792.76 and 24,586.88 is: 36,883.03
Step by Step Solution
- Step 1: Write the proportion equation
77,189.50 : 115,792.76 = 24,586.88 : x - Step 2: Convert to fraction form
77,189.50/115,792.76 = 24,586.88/x - Step 3: Cross multiply
77,189.50x = 115,792.76 × 24,586.88 - Step 4: Simplify right side
77,189.50x = 2,846,982,572.05 - Step 5: Solve for x
x = 2,846,982,572.05/77,189.50 - Step 6: Final answer
x = 36,883.03
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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.