Home / 31,558.92-43,553.46-18,310.92

Finding the Fourth Proportional to 31,558.92, 43,553.46 and 18,310.92

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Solution

The fourth proportional to 31,558.92, 43,553.46 and 18,310.92 is: 25,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,558.92 : 43,553.46 = 18,310.92 : x
  2. Step 2: Convert to fraction form
    31,558.92/43,553.46 = 18,310.92/x
  3. Step 3: Cross multiply
    31,558.92x = 43,553.46 × 18,310.92
  4. Step 4: Simplify right side
    31,558.92x = 797,503,921.78
  5. Step 5: Solve for x
    x = 797,503,921.78/31,558.92
  6. Step 6: Final answer
    x = 25,270.32

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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.