Home / 38,171.62-57,220.20-18,175.74

Finding the Fourth Proportional to 38,171.62, 57,220.20 and 18,175.74

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Solution

The fourth proportional to 38,171.62, 57,220.20 and 18,175.74 is: 27,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.62 : 57,220.20 = 18,175.74 : x
  2. Step 2: Convert to fraction form
    38,171.62/57,220.20 = 18,175.74/x
  3. Step 3: Cross multiply
    38,171.62x = 57,220.20 × 18,175.74
  4. Step 4: Simplify right side
    38,171.62x = 1,040,019,195.21
  5. Step 5: Solve for x
    x = 1,040,019,195.21/38,171.62
  6. Step 6: Final answer
    x = 27,245.88

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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.