Home / 31,847.97-43,949.26-18,235.55

Finding the Fourth Proportional to 31,847.97, 43,949.26 and 18,235.55

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Solution

The fourth proportional to 31,847.97, 43,949.26 and 18,235.55 is: 25,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,847.97 : 43,949.26 = 18,235.55 : x
  2. Step 2: Convert to fraction form
    31,847.97/43,949.26 = 18,235.55/x
  3. Step 3: Cross multiply
    31,847.97x = 43,949.26 × 18,235.55
  4. Step 4: Simplify right side
    31,847.97x = 801,438,928.19
  5. Step 5: Solve for x
    x = 801,438,928.19/31,847.97
  6. Step 6: Final answer
    x = 25,164.52

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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.