Home / 31,294.44-43,186.35-18,553.91

Finding the Fourth Proportional to 31,294.44, 43,186.35 and 18,553.91

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Solution

The fourth proportional to 31,294.44, 43,186.35 and 18,553.91 is: 25,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,294.44 : 43,186.35 = 18,553.91 : x
  2. Step 2: Convert to fraction form
    31,294.44/43,186.35 = 18,553.91/x
  3. Step 3: Cross multiply
    31,294.44x = 43,186.35 × 18,553.91
  4. Step 4: Simplify right side
    31,294.44x = 801,275,651.13
  5. Step 5: Solve for x
    x = 801,275,651.13/31,294.44
  6. Step 6: Final answer
    x = 25,604.41

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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.