Home / 39,867.52-54,618.76-38,372.80

Finding the Fourth Proportional to 39,867.52, 54,618.76 and 38,372.80

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Solution

The fourth proportional to 39,867.52, 54,618.76 and 38,372.80 is: 52,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,867.52 : 54,618.76 = 38,372.80 : x
  2. Step 2: Convert to fraction form
    39,867.52/54,618.76 = 38,372.80/x
  3. Step 3: Cross multiply
    39,867.52x = 54,618.76 × 38,372.80
  4. Step 4: Simplify right side
    39,867.52x = 2,095,874,753.73
  5. Step 5: Solve for x
    x = 2,095,874,753.73/39,867.52
  6. Step 6: Final answer
    x = 52,570.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.