Home / 31,625.12-43,645.41-17,480.70

Finding the Fourth Proportional to 31,625.12, 43,645.41 and 17,480.70

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Solution

The fourth proportional to 31,625.12, 43,645.41 and 17,480.70 is: 24,124.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.12 : 43,645.41 = 17,480.70 : x
  2. Step 2: Convert to fraction form
    31,625.12/43,645.41 = 17,480.70/x
  3. Step 3: Cross multiply
    31,625.12x = 43,645.41 × 17,480.70
  4. Step 4: Simplify right side
    31,625.12x = 762,952,318.59
  5. Step 5: Solve for x
    x = 762,952,318.59/31,625.12
  6. Step 6: Final answer
    x = 24,124.88

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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.