Home / 31,691.97-43,735.44-17,351.56

Finding the Fourth Proportional to 31,691.97, 43,735.44 and 17,351.56

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Solution

The fourth proportional to 31,691.97, 43,735.44 and 17,351.56 is: 23,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,691.97 : 43,735.44 = 17,351.56 : x
  2. Step 2: Convert to fraction form
    31,691.97/43,735.44 = 17,351.56/x
  3. Step 3: Cross multiply
    31,691.97x = 43,735.44 × 17,351.56
  4. Step 4: Simplify right side
    31,691.97x = 758,878,024.53
  5. Step 5: Solve for x
    x = 758,878,024.53/31,691.97
  6. Step 6: Final answer
    x = 23,945.44

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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.