Home / 40,371.20-60,565.91-12,293.76

Finding the Fourth Proportional to 40,371.20, 60,565.91 and 12,293.76

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Solution

The fourth proportional to 40,371.20, 60,565.91 and 12,293.76 is: 18,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,371.20 : 60,565.91 = 12,293.76 : x
  2. Step 2: Convert to fraction form
    40,371.20/60,565.91 = 12,293.76/x
  3. Step 3: Cross multiply
    40,371.20x = 60,565.91 × 12,293.76
  4. Step 4: Simplify right side
    40,371.20x = 744,582,761.72
  5. Step 5: Solve for x
    x = 744,582,761.72/40,371.20
  6. Step 6: Final answer
    x = 18,443.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.