Home / 38,338.87-57,513.69-13,375.27

Finding the Fourth Proportional to 38,338.87, 57,513.69 and 13,375.27

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Solution

The fourth proportional to 38,338.87, 57,513.69 and 13,375.27 is: 20,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,338.87 : 57,513.69 = 13,375.27 : x
  2. Step 2: Convert to fraction form
    38,338.87/57,513.69 = 13,375.27/x
  3. Step 3: Cross multiply
    38,338.87x = 57,513.69 × 13,375.27
  4. Step 4: Simplify right side
    38,338.87x = 769,261,132.45
  5. Step 5: Solve for x
    x = 769,261,132.45/38,338.87
  6. Step 6: Final answer
    x = 20,064.78

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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.