Home / 31,799.22-43,884.39-18,372.24

Finding the Fourth Proportional to 31,799.22, 43,884.39 and 18,372.24

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Solution

The fourth proportional to 31,799.22, 43,884.39 and 18,372.24 is: 25,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,799.22 : 43,884.39 = 18,372.24 : x
  2. Step 2: Convert to fraction form
    31,799.22/43,884.39 = 18,372.24/x
  3. Step 3: Cross multiply
    31,799.22x = 43,884.39 × 18,372.24
  4. Step 4: Simplify right side
    31,799.22x = 806,254,545.33
  5. Step 5: Solve for x
    x = 806,254,545.33/31,799.22
  6. Step 6: Final answer
    x = 25,354.54

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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.