Home / 41,067.60-61,591.68-18,867.12

Finding the Fourth Proportional to 41,067.60, 61,591.68 and 18,867.12

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Solution

The fourth proportional to 41,067.60, 61,591.68 and 18,867.12 is: 28,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,067.60 : 61,591.68 = 18,867.12 : x
  2. Step 2: Convert to fraction form
    41,067.60/61,591.68 = 18,867.12/x
  3. Step 3: Cross multiply
    41,067.60x = 61,591.68 × 18,867.12
  4. Step 4: Simplify right side
    41,067.60x = 1,162,057,617.56
  5. Step 5: Solve for x
    x = 1,162,057,617.56/41,067.60
  6. Step 6: Final answer
    x = 28,296.21

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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.