Home / 38,451.50-57,676.89-12,156.24

Finding the Fourth Proportional to 38,451.50, 57,676.89 and 12,156.24

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Solution

The fourth proportional to 38,451.50, 57,676.89 and 12,156.24 is: 18,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.50 : 57,676.89 = 12,156.24 : x
  2. Step 2: Convert to fraction form
    38,451.50/57,676.89 = 12,156.24/x
  3. Step 3: Cross multiply
    38,451.50x = 57,676.89 × 12,156.24
  4. Step 4: Simplify right side
    38,451.50x = 701,134,310.79
  5. Step 5: Solve for x
    x = 701,134,310.79/38,451.50
  6. Step 6: Final answer
    x = 18,234.25

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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.