Home / 31,942.27-47,912.39-9,754.75

Finding the Fourth Proportional to 31,942.27, 47,912.39 and 9,754.75

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Solution

The fourth proportional to 31,942.27, 47,912.39 and 9,754.75 is: 14,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,942.27 : 47,912.39 = 9,754.75 : x
  2. Step 2: Convert to fraction form
    31,942.27/47,912.39 = 9,754.75/x
  3. Step 3: Cross multiply
    31,942.27x = 47,912.39 × 9,754.75
  4. Step 4: Simplify right side
    31,942.27x = 467,373,386.35
  5. Step 5: Solve for x
    x = 467,373,386.35/31,942.27
  6. Step 6: Final answer
    x = 14,631.82

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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.