Home / 52,391.38-72,301.50-28,519.66

Finding the Fourth Proportional to 52,391.38, 72,301.50 and 28,519.66

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Solution

The fourth proportional to 52,391.38, 72,301.50 and 28,519.66 is: 39,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,391.38 : 72,301.50 = 28,519.66 : x
  2. Step 2: Convert to fraction form
    52,391.38/72,301.50 = 28,519.66/x
  3. Step 3: Cross multiply
    52,391.38x = 72,301.50 × 28,519.66
  4. Step 4: Simplify right side
    52,391.38x = 2,062,014,197.49
  5. Step 5: Solve for x
    x = 2,062,014,197.49/52,391.38
  6. Step 6: Final answer
    x = 39,357.89

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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.