Home / 39,761.11-54,867.03-22,761.43

Finding the Fourth Proportional to 39,761.11, 54,867.03 and 22,761.43

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Solution

The fourth proportional to 39,761.11, 54,867.03 and 22,761.43 is: 31,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.11 : 54,867.03 = 22,761.43 : x
  2. Step 2: Convert to fraction form
    39,761.11/54,867.03 = 22,761.43/x
  3. Step 3: Cross multiply
    39,761.11x = 54,867.03 × 22,761.43
  4. Step 4: Simplify right side
    39,761.11x = 1,248,852,062.65
  5. Step 5: Solve for x
    x = 1,248,852,062.65/39,761.11
  6. Step 6: Final answer
    x = 31,408.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.