Home / 39,198.29-54,116.09-25,808.47

Finding the Fourth Proportional to 39,198.29, 54,116.09 and 25,808.47

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Solution

The fourth proportional to 39,198.29, 54,116.09 and 25,808.47 is: 35,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.29 : 54,116.09 = 25,808.47 : x
  2. Step 2: Convert to fraction form
    39,198.29/54,116.09 = 25,808.47/x
  3. Step 3: Cross multiply
    39,198.29x = 54,116.09 × 25,808.47
  4. Step 4: Simplify right side
    39,198.29x = 1,396,653,485.28
  5. Step 5: Solve for x
    x = 1,396,653,485.28/39,198.29
  6. Step 6: Final answer
    x = 35,630.47

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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.