Home / 31,471.92-43,432.11-17,325.63

Finding the Fourth Proportional to 31,471.92, 43,432.11 and 17,325.63

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Solution

The fourth proportional to 31,471.92, 43,432.11 and 17,325.63 is: 23,909.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,471.92 : 43,432.11 = 17,325.63 : x
  2. Step 2: Convert to fraction form
    31,471.92/43,432.11 = 17,325.63/x
  3. Step 3: Cross multiply
    31,471.92x = 43,432.11 × 17,325.63
  4. Step 4: Simplify right side
    31,471.92x = 752,488,667.98
  5. Step 5: Solve for x
    x = 752,488,667.98/31,471.92
  6. Step 6: Final answer
    x = 23,909.84

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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.