Home / 54,920.39-75,793.41-31,049.29

Finding the Fourth Proportional to 54,920.39, 75,793.41 and 31,049.29

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Solution

The fourth proportional to 54,920.39, 75,793.41 and 31,049.29 is: 42,849.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.39 : 75,793.41 = 31,049.29 : x
  2. Step 2: Convert to fraction form
    54,920.39/75,793.41 = 31,049.29/x
  3. Step 3: Cross multiply
    54,920.39x = 75,793.41 × 31,049.29
  4. Step 4: Simplify right side
    54,920.39x = 2,353,331,377.70
  5. Step 5: Solve for x
    x = 2,353,331,377.70/54,920.39
  6. Step 6: Final answer
    x = 42,849.86

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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.