Home / 52,948.38-79,432.29-19,691.40

Finding the Fourth Proportional to 52,948.38, 79,432.29 and 19,691.40

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Solution

The fourth proportional to 52,948.38, 79,432.29 and 19,691.40 is: 29,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,948.38 : 79,432.29 = 19,691.40 : x
  2. Step 2: Convert to fraction form
    52,948.38/79,432.29 = 19,691.40/x
  3. Step 3: Cross multiply
    52,948.38x = 79,432.29 × 19,691.40
  4. Step 4: Simplify right side
    52,948.38x = 1,564,132,995.31
  5. Step 5: Solve for x
    x = 1,564,132,995.31/52,948.38
  6. Step 6: Final answer
    x = 29,540.71

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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.