Home / 31,917.42-47,884.23-12,193.92

Finding the Fourth Proportional to 31,917.42, 47,884.23 and 12,193.92

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Solution

The fourth proportional to 31,917.42, 47,884.23 and 12,193.92 is: 18,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917.42 : 47,884.23 = 12,193.92 : x
  2. Step 2: Convert to fraction form
    31,917.42/47,884.23 = 12,193.92/x
  3. Step 3: Cross multiply
    31,917.42x = 47,884.23 × 12,193.92
  4. Step 4: Simplify right side
    31,917.42x = 583,896,469.88
  5. Step 5: Solve for x
    x = 583,896,469.88/31,917.42
  6. Step 6: Final answer
    x = 18,293.97

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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.