Home / 31,534.20-43,517.26-17,386.72

Finding the Fourth Proportional to 31,534.20, 43,517.26 and 17,386.72

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Solution

The fourth proportional to 31,534.20, 43,517.26 and 17,386.72 is: 23,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.20 : 43,517.26 = 17,386.72 : x
  2. Step 2: Convert to fraction form
    31,534.20/43,517.26 = 17,386.72/x
  3. Step 3: Cross multiply
    31,534.20x = 43,517.26 × 17,386.72
  4. Step 4: Simplify right side
    31,534.20x = 756,622,414.79
  5. Step 5: Solve for x
    x = 756,622,414.79/31,534.20
  6. Step 6: Final answer
    x = 23,993.71

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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.