Home / 31,363.28-43,282.44-17,217.20

Finding the Fourth Proportional to 31,363.28, 43,282.44 and 17,217.20

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Solution

The fourth proportional to 31,363.28, 43,282.44 and 17,217.20 is: 23,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363.28 : 43,282.44 = 17,217.20 : x
  2. Step 2: Convert to fraction form
    31,363.28/43,282.44 = 17,217.20/x
  3. Step 3: Cross multiply
    31,363.28x = 43,282.44 × 17,217.20
  4. Step 4: Simplify right side
    31,363.28x = 745,202,425.97
  5. Step 5: Solve for x
    x = 745,202,425.97/31,363.28
  6. Step 6: Final answer
    x = 23,760.35

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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.