Home / 48,551.11-72,854.97-20,469.44

Finding the Fourth Proportional to 48,551.11, 72,854.97 and 20,469.44

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Solution

The fourth proportional to 48,551.11, 72,854.97 and 20,469.44 is: 30,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,551.11 : 72,854.97 = 20,469.44 : x
  2. Step 2: Convert to fraction form
    48,551.11/72,854.97 = 20,469.44/x
  3. Step 3: Cross multiply
    48,551.11x = 72,854.97 × 20,469.44
  4. Step 4: Simplify right side
    48,551.11x = 1,491,300,437.12
  5. Step 5: Solve for x
    x = 1,491,300,437.12/48,551.11
  6. Step 6: Final answer
    x = 30,716.09

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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.