Home / 31,553.09-43,542.25-17,942.59

Finding the Fourth Proportional to 31,553.09, 43,542.25 and 17,942.59

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Solution

The fourth proportional to 31,553.09, 43,542.25 and 17,942.59 is: 24,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.09 : 43,542.25 = 17,942.59 : x
  2. Step 2: Convert to fraction form
    31,553.09/43,542.25 = 17,942.59/x
  3. Step 3: Cross multiply
    31,553.09x = 43,542.25 × 17,942.59
  4. Step 4: Simplify right side
    31,553.09x = 781,260,739.43
  5. Step 5: Solve for x
    x = 781,260,739.43/31,553.09
  6. Step 6: Final answer
    x = 24,760.20

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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.