Finding the Fourth Proportional to 79,822.12, 119,728.84 and 24,418.12
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Solution
The fourth proportional to 79,822.12, 119,728.84 and 24,418.12 is: 36,625.85
Step by Step Solution
- Step 1: Write the proportion equation
79,822.12 : 119,728.84 = 24,418.12 : x - Step 2: Convert to fraction form
79,822.12/119,728.84 = 24,418.12/x - Step 3: Cross multiply
79,822.12x = 119,728.84 × 24,418.12 - Step 4: Simplify right side
79,822.12x = 2,923,553,182.58 - Step 5: Solve for x
x = 2,923,553,182.58/79,822.12 - Step 6: Final answer
x = 36,625.85
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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.