Home / 31,332-43,242-18,084

Finding the Fourth Proportional to 31,332, 43,242 and 18,084

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Solution

The fourth proportional to 31,332, 43,242 and 18,084 is: 24,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,332 : 43,242 = 18,084 : x
  2. Step 2: Convert to fraction form
    31,332/43,242 = 18,084/x
  3. Step 3: Cross multiply
    31,332x = 43,242 × 18,084
  4. Step 4: Simplify right side
    31,332x = 781,988,328
  5. Step 5: Solve for x
    x = 781,988,328/31,332
  6. Step 6: Final answer
    x = 24,958.14

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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.