Home / 69,169.82-95,456.10-38,956.28

Finding the Fourth Proportional to 69,169.82, 95,456.10 and 38,956.28

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Solution

The fourth proportional to 69,169.82, 95,456.10 and 38,956.28 is: 53,760.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,169.82 : 95,456.10 = 38,956.28 : x
  2. Step 2: Convert to fraction form
    69,169.82/95,456.10 = 38,956.28/x
  3. Step 3: Cross multiply
    69,169.82x = 95,456.10 × 38,956.28
  4. Step 4: Simplify right side
    69,169.82x = 3,718,614,559.31
  5. Step 5: Solve for x
    x = 3,718,614,559.31/69,169.82
  6. Step 6: Final answer
    x = 53,760.65

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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.