Home / 31,791.24-47,686.92-11,014.76

Finding the Fourth Proportional to 31,791.24, 47,686.92 and 11,014.76

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Solution

The fourth proportional to 31,791.24, 47,686.92 and 11,014.76 is: 16,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,791.24 : 47,686.92 = 11,014.76 : x
  2. Step 2: Convert to fraction form
    31,791.24/47,686.92 = 11,014.76/x
  3. Step 3: Cross multiply
    31,791.24x = 47,686.92 × 11,014.76
  4. Step 4: Simplify right side
    31,791.24x = 525,259,978.94
  5. Step 5: Solve for x
    x = 525,259,978.94/31,791.24
  6. Step 6: Final answer
    x = 16,522.16

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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.