Home / 31,906.55-47,859.83-8,532.38

Finding the Fourth Proportional to 31,906.55, 47,859.83 and 8,532.38

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Solution

The fourth proportional to 31,906.55, 47,859.83 and 8,532.38 is: 12,798.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906.55 : 47,859.83 = 8,532.38 : x
  2. Step 2: Convert to fraction form
    31,906.55/47,859.83 = 8,532.38/x
  3. Step 3: Cross multiply
    31,906.55x = 47,859.83 × 8,532.38
  4. Step 4: Simplify right side
    31,906.55x = 408,357,974.33
  5. Step 5: Solve for x
    x = 408,357,974.33/31,906.55
  6. Step 6: Final answer
    x = 12,798.56

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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.