Home / 57,517.50-79,397.91-38,135.82

Finding the Fourth Proportional to 57,517.50, 79,397.91 and 38,135.82

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Solution

The fourth proportional to 57,517.50, 79,397.91 and 38,135.82 is: 52,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,517.50 : 79,397.91 = 38,135.82 : x
  2. Step 2: Convert to fraction form
    57,517.50/79,397.91 = 38,135.82/x
  3. Step 3: Cross multiply
    57,517.50x = 79,397.91 × 38,135.82
  4. Step 4: Simplify right side
    57,517.50x = 3,027,904,404.14
  5. Step 5: Solve for x
    x = 3,027,904,404.14/57,517.50
  6. Step 6: Final answer
    x = 52,643.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.