Home / 31,845.60-43,945.97-18,233.19

Finding the Fourth Proportional to 31,845.60, 43,945.97 and 18,233.19

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Solution

The fourth proportional to 31,845.60, 43,945.97 and 18,233.19 is: 25,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,845.60 : 43,945.97 = 18,233.19 : x
  2. Step 2: Convert to fraction form
    31,845.60/43,945.97 = 18,233.19/x
  3. Step 3: Cross multiply
    31,845.60x = 43,945.97 × 18,233.19
  4. Step 4: Simplify right side
    31,845.60x = 801,274,998.97
  5. Step 5: Solve for x
    x = 801,274,998.97/31,845.60
  6. Step 6: Final answer
    x = 25,161.25

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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.