Home / 31,612.97-43,625.84-18,183.87

Finding the Fourth Proportional to 31,612.97, 43,625.84 and 18,183.87

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Solution

The fourth proportional to 31,612.97, 43,625.84 and 18,183.87 is: 25,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,612.97 : 43,625.84 = 18,183.87 : x
  2. Step 2: Convert to fraction form
    31,612.97/43,625.84 = 18,183.87/x
  3. Step 3: Cross multiply
    31,612.97x = 43,625.84 × 18,183.87
  4. Step 4: Simplify right side
    31,612.97x = 793,286,512.28
  5. Step 5: Solve for x
    x = 793,286,512.28/31,612.97
  6. Step 6: Final answer
    x = 25,093.71

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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.