Home / 31,519.77-43,497.28-17,372.61

Finding the Fourth Proportional to 31,519.77, 43,497.28 and 17,372.61

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Solution

The fourth proportional to 31,519.77, 43,497.28 and 17,372.61 is: 23,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.77 : 43,497.28 = 17,372.61 : x
  2. Step 2: Convert to fraction form
    31,519.77/43,497.28 = 17,372.61/x
  3. Step 3: Cross multiply
    31,519.77x = 43,497.28 × 17,372.61
  4. Step 4: Simplify right side
    31,519.77x = 755,661,281.50
  5. Step 5: Solve for x
    x = 755,661,281.50/31,519.77
  6. Step 6: Final answer
    x = 23,974.20

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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.