Finding the Fourth Proportional to 76,822.87, 115,234.30 and 24,236.46
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Solution
The fourth proportional to 76,822.87, 115,234.30 and 24,236.46 is: 36,354.68
Step by Step Solution
- Step 1: Write the proportion equation
76,822.87 : 115,234.30 = 24,236.46 : x - Step 2: Convert to fraction form
76,822.87/115,234.30 = 24,236.46/x - Step 3: Cross multiply
76,822.87x = 115,234.30 × 24,236.46 - Step 4: Simplify right side
76,822.87x = 2,792,870,926.41 - Step 5: Solve for x
x = 2,792,870,926.41/76,822.87 - Step 6: Final answer
x = 36,354.68
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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.