Home / 31,340.88-43,251.09-17,193.72

Finding the Fourth Proportional to 31,340.88, 43,251.09 and 17,193.72

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Solution

The fourth proportional to 31,340.88, 43,251.09 and 17,193.72 is: 23,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.88 : 43,251.09 = 17,193.72 : x
  2. Step 2: Convert to fraction form
    31,340.88/43,251.09 = 17,193.72/x
  3. Step 3: Cross multiply
    31,340.88x = 43,251.09 × 17,193.72
  4. Step 4: Simplify right side
    31,340.88x = 743,647,131.15
  5. Step 5: Solve for x
    x = 743,647,131.15/31,340.88
  6. Step 6: Final answer
    x = 23,727.70

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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.