Home / 31,862.28-47,791.59-15,233.79

Finding the Fourth Proportional to 31,862.28, 47,791.59 and 15,233.79

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Solution

The fourth proportional to 31,862.28, 47,791.59 and 15,233.79 is: 22,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.28 : 47,791.59 = 15,233.79 : x
  2. Step 2: Convert to fraction form
    31,862.28/47,791.59 = 15,233.79/x
  3. Step 3: Cross multiply
    31,862.28x = 47,791.59 × 15,233.79
  4. Step 4: Simplify right side
    31,862.28x = 728,047,045.83
  5. Step 5: Solve for x
    x = 728,047,045.83/31,862.28
  6. Step 6: Final answer
    x = 22,849.81

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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.