Home / 40,517.14-60,782.85-13,856.86

Finding the Fourth Proportional to 40,517.14, 60,782.85 and 13,856.86

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Solution

The fourth proportional to 40,517.14, 60,782.85 and 13,856.86 is: 20,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,517.14 : 60,782.85 = 13,856.86 : x
  2. Step 2: Convert to fraction form
    40,517.14/60,782.85 = 13,856.86/x
  3. Step 3: Cross multiply
    40,517.14x = 60,782.85 × 13,856.86
  4. Step 4: Simplify right side
    40,517.14x = 842,259,442.85
  5. Step 5: Solve for x
    x = 842,259,442.85/40,517.14
  6. Step 6: Final answer
    x = 20,787.73

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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.