Home / 31,735.29-43,793.19-18,310.86

Finding the Fourth Proportional to 31,735.29, 43,793.19 and 18,310.86

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Solution

The fourth proportional to 31,735.29, 43,793.19 and 18,310.86 is: 25,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,735.29 : 43,793.19 = 18,310.86 : x
  2. Step 2: Convert to fraction form
    31,735.29/43,793.19 = 18,310.86/x
  3. Step 3: Cross multiply
    31,735.29x = 43,793.19 × 18,310.86
  4. Step 4: Simplify right side
    31,735.29x = 801,890,971.04
  5. Step 5: Solve for x
    x = 801,890,971.04/31,735.29
  6. Step 6: Final answer
    x = 25,268.11

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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.