Home / 31,379.94-43,304.62-17,233.09

Finding the Fourth Proportional to 31,379.94, 43,304.62 and 17,233.09

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Solution

The fourth proportional to 31,379.94, 43,304.62 and 17,233.09 is: 23,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,379.94 : 43,304.62 = 17,233.09 : x
  2. Step 2: Convert to fraction form
    31,379.94/43,304.62 = 17,233.09/x
  3. Step 3: Cross multiply
    31,379.94x = 43,304.62 × 17,233.09
  4. Step 4: Simplify right side
    31,379.94x = 746,272,197.35
  5. Step 5: Solve for x
    x = 746,272,197.35/31,379.94
  6. Step 6: Final answer
    x = 23,781.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.