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Finding the Fourth Proportional to 65,367.39, 98,067.39 and 18,620.25

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Solution

The fourth proportional to 65,367.39, 98,067.39 and 18,620.25 is: 27,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,367.39 : 98,067.39 = 18,620.25 : x
  2. Step 2: Convert to fraction form
    65,367.39/98,067.39 = 18,620.25/x
  3. Step 3: Cross multiply
    65,367.39x = 98,067.39 × 18,620.25
  4. Step 4: Simplify right side
    65,367.39x = 1,826,039,318.65
  5. Step 5: Solve for x
    x = 1,826,039,318.65/65,367.39
  6. Step 6: Final answer
    x = 27,935.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.