Home / 31,627.14-43,649.82-18,198.16

Finding the Fourth Proportional to 31,627.14, 43,649.82 and 18,198.16

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Solution

The fourth proportional to 31,627.14, 43,649.82 and 18,198.16 is: 25,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627.14 : 43,649.82 = 18,198.16 : x
  2. Step 2: Convert to fraction form
    31,627.14/43,649.82 = 18,198.16/x
  3. Step 3: Cross multiply
    31,627.14x = 43,649.82 × 18,198.16
  4. Step 4: Simplify right side
    31,627.14x = 794,346,408.33
  5. Step 5: Solve for x
    x = 794,346,408.33/31,627.14
  6. Step 6: Final answer
    x = 25,115.97

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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.