Home / 57,380.46-79,141.20-41,517.42

Finding the Fourth Proportional to 57,380.46, 79,141.20 and 41,517.42

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Solution

The fourth proportional to 57,380.46, 79,141.20 and 41,517.42 is: 57,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,380.46 : 79,141.20 = 41,517.42 : x
  2. Step 2: Convert to fraction form
    57,380.46/79,141.20 = 41,517.42/x
  3. Step 3: Cross multiply
    57,380.46x = 79,141.20 × 41,517.42
  4. Step 4: Simplify right side
    57,380.46x = 3,285,738,439.70
  5. Step 5: Solve for x
    x = 3,285,738,439.70/57,380.46
  6. Step 6: Final answer
    x = 57,262.32

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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.