Home / 38,514.41-57,771.46-12,221.20

Finding the Fourth Proportional to 38,514.41, 57,771.46 and 12,221.20

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Solution

The fourth proportional to 38,514.41, 57,771.46 and 12,221.20 is: 18,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,514.41 : 57,771.46 = 12,221.20 : x
  2. Step 2: Convert to fraction form
    38,514.41/57,771.46 = 12,221.20/x
  3. Step 3: Cross multiply
    38,514.41x = 57,771.46 × 12,221.20
  4. Step 4: Simplify right side
    38,514.41x = 706,036,654.44
  5. Step 5: Solve for x
    x = 706,036,654.44/38,514.41
  6. Step 6: Final answer
    x = 18,331.75

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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.