Home / 52,149.42-71,961.75-29,487.30

Finding the Fourth Proportional to 52,149.42, 71,961.75 and 29,487.30

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Solution

The fourth proportional to 52,149.42, 71,961.75 and 29,487.30 is: 40,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,149.42 : 71,961.75 = 29,487.30 : x
  2. Step 2: Convert to fraction form
    52,149.42/71,961.75 = 29,487.30/x
  3. Step 3: Cross multiply
    52,149.42x = 71,961.75 × 29,487.30
  4. Step 4: Simplify right side
    52,149.42x = 2,121,957,710.78
  5. Step 5: Solve for x
    x = 2,121,957,710.78/52,149.42
  6. Step 6: Final answer
    x = 40,689.96

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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.