Home / 38,451.03-57,676.19-12,155.78

Finding the Fourth Proportional to 38,451.03, 57,676.19 and 12,155.78

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Solution

The fourth proportional to 38,451.03, 57,676.19 and 12,155.78 is: 18,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.03 : 57,676.19 = 12,155.78 : x
  2. Step 2: Convert to fraction form
    38,451.03/57,676.19 = 12,155.78/x
  3. Step 3: Cross multiply
    38,451.03x = 57,676.19 × 12,155.78
  4. Step 4: Simplify right side
    38,451.03x = 701,098,773.30
  5. Step 5: Solve for x
    x = 701,098,773.30/38,451.03
  6. Step 6: Final answer
    x = 18,233.55

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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.