Home / 47,942.75-71,914.07-12,882.42

Finding the Fourth Proportional to 47,942.75, 71,914.07 and 12,882.42

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Solution

The fourth proportional to 47,942.75, 71,914.07 and 12,882.42 is: 19,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.75 : 71,914.07 = 12,882.42 : x
  2. Step 2: Convert to fraction form
    47,942.75/71,914.07 = 12,882.42/x
  3. Step 3: Cross multiply
    47,942.75x = 71,914.07 × 12,882.42
  4. Step 4: Simplify right side
    47,942.75x = 926,427,285.86
  5. Step 5: Solve for x
    x = 926,427,285.86/47,942.75
  6. Step 6: Final answer
    x = 19,323.61

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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.