Home / 38,126.88-57,176.28-13,160.52

Finding the Fourth Proportional to 38,126.88, 57,176.28 and 13,160.52

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Solution

The fourth proportional to 38,126.88, 57,176.28 and 13,160.52 is: 19,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,126.88 : 57,176.28 = 13,160.52 : x
  2. Step 2: Convert to fraction form
    38,126.88/57,176.28 = 13,160.52/x
  3. Step 3: Cross multiply
    38,126.88x = 57,176.28 × 13,160.52
  4. Step 4: Simplify right side
    38,126.88x = 752,469,576.47
  5. Step 5: Solve for x
    x = 752,469,576.47/38,126.88
  6. Step 6: Final answer
    x = 19,735.93

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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.