Home / 39,992.14-55,184.25-25,451.31

Finding the Fourth Proportional to 39,992.14, 55,184.25 and 25,451.31

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Solution

The fourth proportional to 39,992.14, 55,184.25 and 25,451.31 is: 35,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.14 : 55,184.25 = 25,451.31 : x
  2. Step 2: Convert to fraction form
    39,992.14/55,184.25 = 25,451.31/x
  3. Step 3: Cross multiply
    39,992.14x = 55,184.25 × 25,451.31
  4. Step 4: Simplify right side
    39,992.14x = 1,404,511,453.87
  5. Step 5: Solve for x
    x = 1,404,511,453.87/39,992.14
  6. Step 6: Final answer
    x = 35,119.69

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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.