Home / 31,220.27-43,085.13-17,791.17

Finding the Fourth Proportional to 31,220.27, 43,085.13 and 17,791.17

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Solution

The fourth proportional to 31,220.27, 43,085.13 and 17,791.17 is: 24,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.27 : 43,085.13 = 17,791.17 : x
  2. Step 2: Convert to fraction form
    31,220.27/43,085.13 = 17,791.17/x
  3. Step 3: Cross multiply
    31,220.27x = 43,085.13 × 17,791.17
  4. Step 4: Simplify right side
    31,220.27x = 766,534,872.30
  5. Step 5: Solve for x
    x = 766,534,872.30/31,220.27
  6. Step 6: Final answer
    x = 24,552.48

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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.