Home / 40,167.29-55,429.92-23,171.54

Finding the Fourth Proportional to 40,167.29, 55,429.92 and 23,171.54

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Solution

The fourth proportional to 40,167.29, 55,429.92 and 23,171.54 is: 31,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.29 : 55,429.92 = 23,171.54 : x
  2. Step 2: Convert to fraction form
    40,167.29/55,429.92 = 23,171.54/x
  3. Step 3: Cross multiply
    40,167.29x = 55,429.92 × 23,171.54
  4. Step 4: Simplify right side
    40,167.29x = 1,284,396,331.33
  5. Step 5: Solve for x
    x = 1,284,396,331.33/40,167.29
  6. Step 6: Final answer
    x = 31,976.17

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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.