Home / 31,469.03-47,204.17-11,743.65

Finding the Fourth Proportional to 31,469.03, 47,204.17 and 11,743.65

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Solution

The fourth proportional to 31,469.03, 47,204.17 and 11,743.65 is: 17,615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.03 : 47,204.17 = 11,743.65 : x
  2. Step 2: Convert to fraction form
    31,469.03/47,204.17 = 11,743.65/x
  3. Step 3: Cross multiply
    31,469.03x = 47,204.17 × 11,743.65
  4. Step 4: Simplify right side
    31,469.03x = 554,349,221.66
  5. Step 5: Solve for x
    x = 554,349,221.66/31,469.03
  6. Step 6: Final answer
    x = 17,615.71

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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.