Home / 31,919.27-47,882.24-12,197.69

Finding the Fourth Proportional to 31,919.27, 47,882.24 and 12,197.69

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Solution

The fourth proportional to 31,919.27, 47,882.24 and 12,197.69 is: 18,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919.27 : 47,882.24 = 12,197.69 : x
  2. Step 2: Convert to fraction form
    31,919.27/47,882.24 = 12,197.69/x
  3. Step 3: Cross multiply
    31,919.27x = 47,882.24 × 12,197.69
  4. Step 4: Simplify right side
    31,919.27x = 584,052,644.93
  5. Step 5: Solve for x
    x = 584,052,644.93/31,919.27
  6. Step 6: Final answer
    x = 18,297.81

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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.