Home / 31,945.60-44,084.82-18,519.58

Finding the Fourth Proportional to 31,945.60, 44,084.82 and 18,519.58

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Solution

The fourth proportional to 31,945.60, 44,084.82 and 18,519.58 is: 25,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,945.60 : 44,084.82 = 18,519.58 : x
  2. Step 2: Convert to fraction form
    31,945.60/44,084.82 = 18,519.58/x
  3. Step 3: Cross multiply
    31,945.60x = 44,084.82 × 18,519.58
  4. Step 4: Simplify right side
    31,945.60x = 816,432,350.78
  5. Step 5: Solve for x
    x = 816,432,350.78/31,945.60
  6. Step 6: Final answer
    x = 25,556.96

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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.