Home / 49,042.11-73,568.25-20,965.13

Finding the Fourth Proportional to 49,042.11, 73,568.25 and 20,965.13

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Solution

The fourth proportional to 49,042.11, 73,568.25 and 20,965.13 is: 31,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,042.11 : 73,568.25 = 20,965.13 : x
  2. Step 2: Convert to fraction form
    49,042.11/73,568.25 = 20,965.13/x
  3. Step 3: Cross multiply
    49,042.11x = 73,568.25 × 20,965.13
  4. Step 4: Simplify right side
    49,042.11x = 1,542,367,833.16
  5. Step 5: Solve for x
    x = 1,542,367,833.16/49,042.11
  6. Step 6: Final answer
    x = 31,449.87

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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.