Home / 38,167.64-57,244.17-11,872.70

Finding the Fourth Proportional to 38,167.64, 57,244.17 and 11,872.70

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Solution

The fourth proportional to 38,167.64, 57,244.17 and 11,872.70 is: 17,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,167.64 : 57,244.17 = 11,872.70 : x
  2. Step 2: Convert to fraction form
    38,167.64/57,244.17 = 11,872.70/x
  3. Step 3: Cross multiply
    38,167.64x = 57,244.17 × 11,872.70
  4. Step 4: Simplify right side
    38,167.64x = 679,642,857.16
  5. Step 5: Solve for x
    x = 679,642,857.16/38,167.64
  6. Step 6: Final answer
    x = 17,806.78

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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.