Home / 31,689.31-43,731.08-17,350.44

Finding the Fourth Proportional to 31,689.31, 43,731.08 and 17,350.44

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Solution

The fourth proportional to 31,689.31, 43,731.08 and 17,350.44 is: 23,943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,689.31 : 43,731.08 = 17,350.44 : x
  2. Step 2: Convert to fraction form
    31,689.31/43,731.08 = 17,350.44/x
  3. Step 3: Cross multiply
    31,689.31x = 43,731.08 × 17,350.44
  4. Step 4: Simplify right side
    31,689.31x = 758,753,479.68
  5. Step 5: Solve for x
    x = 758,753,479.68/31,689.31
  6. Step 6: Final answer
    x = 23,943.52

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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.