Home / 31,881.40-43,996.88-17,734.24

Finding the Fourth Proportional to 31,881.40, 43,996.88 and 17,734.24

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Solution

The fourth proportional to 31,881.40, 43,996.88 and 17,734.24 is: 24,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,881.40 : 43,996.88 = 17,734.24 : x
  2. Step 2: Convert to fraction form
    31,881.40/43,996.88 = 17,734.24/x
  3. Step 3: Cross multiply
    31,881.40x = 43,996.88 × 17,734.24
  4. Step 4: Simplify right side
    31,881.40x = 780,251,229.17
  5. Step 5: Solve for x
    x = 780,251,229.17/31,881.40
  6. Step 6: Final answer
    x = 24,473.56

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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.