Home / 31,252.89-43,128.99-17,105.74

Finding the Fourth Proportional to 31,252.89, 43,128.99 and 17,105.74

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Solution

The fourth proportional to 31,252.89, 43,128.99 and 17,105.74 is: 23,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,252.89 : 43,128.99 = 17,105.74 : x
  2. Step 2: Convert to fraction form
    31,252.89/43,128.99 = 17,105.74/x
  3. Step 3: Cross multiply
    31,252.89x = 43,128.99 × 17,105.74
  4. Step 4: Simplify right side
    31,252.89x = 737,753,116.52
  5. Step 5: Solve for x
    x = 737,753,116.52/31,252.89
  6. Step 6: Final answer
    x = 23,605.92

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1.5x scale

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.