Home / 31,834.28-47,760.96-12,849.14

Finding the Fourth Proportional to 31,834.28, 47,760.96 and 12,849.14

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Solution

The fourth proportional to 31,834.28, 47,760.96 and 12,849.14 is: 19,277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,834.28 : 47,760.96 = 12,849.14 : x
  2. Step 2: Convert to fraction form
    31,834.28/47,760.96 = 12,849.14/x
  3. Step 3: Cross multiply
    31,834.28x = 47,760.96 × 12,849.14
  4. Step 4: Simplify right side
    31,834.28x = 613,687,429.16
  5. Step 5: Solve for x
    x = 613,687,429.16/31,834.28
  6. Step 6: Final answer
    x = 19,277.57

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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.