Home / 39,642.14-54,734.86-25,519.59

Finding the Fourth Proportional to 39,642.14, 54,734.86 and 25,519.59

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Solution

The fourth proportional to 39,642.14, 54,734.86 and 25,519.59 is: 35,235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,642.14 : 54,734.86 = 25,519.59 : x
  2. Step 2: Convert to fraction form
    39,642.14/54,734.86 = 25,519.59/x
  3. Step 3: Cross multiply
    39,642.14x = 54,734.86 × 25,519.59
  4. Step 4: Simplify right side
    39,642.14x = 1,396,811,122.11
  5. Step 5: Solve for x
    x = 1,396,811,122.11/39,642.14
  6. Step 6: Final answer
    x = 35,235.51

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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.