Home / 31,443.46-43,398.14-18,023.70

Finding the Fourth Proportional to 31,443.46, 43,398.14 and 18,023.70

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Solution

The fourth proportional to 31,443.46, 43,398.14 and 18,023.70 is: 24,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,443.46 : 43,398.14 = 18,023.70 : x
  2. Step 2: Convert to fraction form
    31,443.46/43,398.14 = 18,023.70/x
  3. Step 3: Cross multiply
    31,443.46x = 43,398.14 × 18,023.70
  4. Step 4: Simplify right side
    31,443.46x = 782,194,965.80
  5. Step 5: Solve for x
    x = 782,194,965.80/31,443.46
  6. Step 6: Final answer
    x = 24,876.24

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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.