Home / 39,540.24-54,570.54-25,939.71

Finding the Fourth Proportional to 39,540.24, 54,570.54 and 25,939.71

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Solution

The fourth proportional to 39,540.24, 54,570.54 and 25,939.71 is: 35,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,540.24 : 54,570.54 = 25,939.71 : x
  2. Step 2: Convert to fraction form
    39,540.24/54,570.54 = 25,939.71/x
  3. Step 3: Cross multiply
    39,540.24x = 54,570.54 × 25,939.71
  4. Step 4: Simplify right side
    39,540.24x = 1,415,543,982.14
  5. Step 5: Solve for x
    x = 1,415,543,982.14/39,540.24
  6. Step 6: Final answer
    x = 35,800.09

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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.