Home / 31,553.47-43,544.61-17,213.55

Finding the Fourth Proportional to 31,553.47, 43,544.61 and 17,213.55

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Solution

The fourth proportional to 31,553.47, 43,544.61 and 17,213.55 is: 23,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.47 : 43,544.61 = 17,213.55 : x
  2. Step 2: Convert to fraction form
    31,553.47/43,544.61 = 17,213.55/x
  3. Step 3: Cross multiply
    31,553.47x = 43,544.61 × 17,213.55
  4. Step 4: Simplify right side
    31,553.47x = 749,557,321.47
  5. Step 5: Solve for x
    x = 749,557,321.47/31,553.47
  6. Step 6: Final answer
    x = 23,755.15

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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.