Home / 31,849.92-47,704.56-19,964.96

Finding the Fourth Proportional to 31,849.92, 47,704.56 and 19,964.96

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Solution

The fourth proportional to 31,849.92, 47,704.56 and 19,964.96 is: 29,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.92 : 47,704.56 = 19,964.96 : x
  2. Step 2: Convert to fraction form
    31,849.92/47,704.56 = 19,964.96/x
  3. Step 3: Cross multiply
    31,849.92x = 47,704.56 × 19,964.96
  4. Step 4: Simplify right side
    31,849.92x = 952,419,632.22
  5. Step 5: Solve for x
    x = 952,419,632.22/31,849.92
  6. Step 6: Final answer
    x = 29,903.36

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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.