Home / 31,856.90-43,963.64-17,517.82

Finding the Fourth Proportional to 31,856.90, 43,963.64 and 17,517.82

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Solution

The fourth proportional to 31,856.90, 43,963.64 and 17,517.82 is: 24,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,856.90 : 43,963.64 = 17,517.82 : x
  2. Step 2: Convert to fraction form
    31,856.90/43,963.64 = 17,517.82/x
  3. Step 3: Cross multiply
    31,856.90x = 43,963.64 × 17,517.82
  4. Step 4: Simplify right side
    31,856.90x = 770,147,065.95
  5. Step 5: Solve for x
    x = 770,147,065.95/31,856.90
  6. Step 6: Final answer
    x = 24,175.21

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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.