Home / 31,724.33-43,778.41-18,296.15

Finding the Fourth Proportional to 31,724.33, 43,778.41 and 18,296.15

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Solution

The fourth proportional to 31,724.33, 43,778.41 and 18,296.15 is: 25,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,724.33 : 43,778.41 = 18,296.15 : x
  2. Step 2: Convert to fraction form
    31,724.33/43,778.41 = 18,296.15/x
  3. Step 3: Cross multiply
    31,724.33x = 43,778.41 × 18,296.15
  4. Step 4: Simplify right side
    31,724.33x = 800,976,091.49
  5. Step 5: Solve for x
    x = 800,976,091.49/31,724.33
  6. Step 6: Final answer
    x = 25,248.01

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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.