Home / 45,727.38-68,530.92-19,399.54

Finding the Fourth Proportional to 45,727.38, 68,530.92 and 19,399.54

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Solution

The fourth proportional to 45,727.38, 68,530.92 and 19,399.54 is: 29,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,727.38 : 68,530.92 = 19,399.54 : x
  2. Step 2: Convert to fraction form
    45,727.38/68,530.92 = 19,399.54/x
  3. Step 3: Cross multiply
    45,727.38x = 68,530.92 × 19,399.54
  4. Step 4: Simplify right side
    45,727.38x = 1,329,468,323.78
  5. Step 5: Solve for x
    x = 1,329,468,323.78/45,727.38
  6. Step 6: Final answer
    x = 29,073.79

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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.