Home / 39,198.42-54,116.27-25,808.60

Finding the Fourth Proportional to 39,198.42, 54,116.27 and 25,808.60

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Solution

The fourth proportional to 39,198.42, 54,116.27 and 25,808.60 is: 35,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.42 : 54,116.27 = 25,808.60 : x
  2. Step 2: Convert to fraction form
    39,198.42/54,116.27 = 25,808.60/x
  3. Step 3: Cross multiply
    39,198.42x = 54,116.27 × 25,808.60
  4. Step 4: Simplify right side
    39,198.42x = 1,396,665,165.92
  5. Step 5: Solve for x
    x = 1,396,665,165.92/39,198.42
  6. Step 6: Final answer
    x = 35,630.65

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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.