Home / 38,499.30-57,748.95-28,131.30

Finding the Fourth Proportional to 38,499.30, 57,748.95 and 28,131.30

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Solution

The fourth proportional to 38,499.30, 57,748.95 and 28,131.30 is: 42,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,499.30 : 57,748.95 = 28,131.30 : x
  2. Step 2: Convert to fraction form
    38,499.30/57,748.95 = 28,131.30/x
  3. Step 3: Cross multiply
    38,499.30x = 57,748.95 × 28,131.30
  4. Step 4: Simplify right side
    38,499.30x = 1,624,553,037.14
  5. Step 5: Solve for x
    x = 1,624,553,037.14/38,499.30
  6. Step 6: Final answer
    x = 42,196.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.