Home / 31,339.20-43,248.44-17,191.76

Finding the Fourth Proportional to 31,339.20, 43,248.44 and 17,191.76

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Solution

The fourth proportional to 31,339.20, 43,248.44 and 17,191.76 is: 23,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,339.20 : 43,248.44 = 17,191.76 : x
  2. Step 2: Convert to fraction form
    31,339.20/43,248.44 = 17,191.76/x
  3. Step 3: Cross multiply
    31,339.20x = 43,248.44 × 17,191.76
  4. Step 4: Simplify right side
    31,339.20x = 743,516,800.85
  5. Step 5: Solve for x
    x = 743,516,800.85/31,339.20
  6. Step 6: Final answer
    x = 23,724.82

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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.