Home / 31,731.20-43,788.96-17,584.04

Finding the Fourth Proportional to 31,731.20, 43,788.96 and 17,584.04

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Solution

The fourth proportional to 31,731.20, 43,788.96 and 17,584.04 is: 24,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.20 : 43,788.96 = 17,584.04 : x
  2. Step 2: Convert to fraction form
    31,731.20/43,788.96 = 17,584.04/x
  3. Step 3: Cross multiply
    31,731.20x = 43,788.96 × 17,584.04
  4. Step 4: Simplify right side
    31,731.20x = 769,986,824.20
  5. Step 5: Solve for x
    x = 769,986,824.20/31,731.20
  6. Step 6: Final answer
    x = 24,265.92

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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.