Home / 31,402.62-43,336.41-17,255.82

Finding the Fourth Proportional to 31,402.62, 43,336.41 and 17,255.82

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Solution

The fourth proportional to 31,402.62, 43,336.41 and 17,255.82 is: 23,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.62 : 43,336.41 = 17,255.82 : x
  2. Step 2: Convert to fraction form
    31,402.62/43,336.41 = 17,255.82/x
  3. Step 3: Cross multiply
    31,402.62x = 43,336.41 × 17,255.82
  4. Step 4: Simplify right side
    31,402.62x = 747,805,290.41
  5. Step 5: Solve for x
    x = 747,805,290.41/31,402.62
  6. Step 6: Final answer
    x = 23,813.47

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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.