Home / 31,700.97-43,747.33-17,553.81

Finding the Fourth Proportional to 31,700.97, 43,747.33 and 17,553.81

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Solution

The fourth proportional to 31,700.97, 43,747.33 and 17,553.81 is: 24,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,700.97 : 43,747.33 = 17,553.81 : x
  2. Step 2: Convert to fraction form
    31,700.97/43,747.33 = 17,553.81/x
  3. Step 3: Cross multiply
    31,700.97x = 43,747.33 × 17,553.81
  4. Step 4: Simplify right side
    31,700.97x = 767,932,231.06
  5. Step 5: Solve for x
    x = 767,932,231.06/31,700.97
  6. Step 6: Final answer
    x = 24,224.25

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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.