Home / 52,391.47-72,301.85-28,519.73

Finding the Fourth Proportional to 52,391.47, 72,301.85 and 28,519.73

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Solution

The fourth proportional to 52,391.47, 72,301.85 and 28,519.73 is: 39,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,391.47 : 72,301.85 = 28,519.73 : x
  2. Step 2: Convert to fraction form
    52,391.47/72,301.85 = 28,519.73/x
  3. Step 3: Cross multiply
    52,391.47x = 72,301.85 × 28,519.73
  4. Step 4: Simplify right side
    52,391.47x = 2,062,029,311.80
  5. Step 5: Solve for x
    x = 2,062,029,311.80/52,391.47
  6. Step 6: Final answer
    x = 39,358.12

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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.