Home / 39,115.06-53,964.61-25,693.54

Finding the Fourth Proportional to 39,115.06, 53,964.61 and 25,693.54

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Solution

The fourth proportional to 39,115.06, 53,964.61 and 25,693.54 is: 35,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,115.06 : 53,964.61 = 25,693.54 : x
  2. Step 2: Convert to fraction form
    39,115.06/53,964.61 = 25,693.54/x
  3. Step 3: Cross multiply
    39,115.06x = 53,964.61 × 25,693.54
  4. Step 4: Simplify right side
    39,115.06x = 1,386,541,865.62
  5. Step 5: Solve for x
    x = 1,386,541,865.62/39,115.06
  6. Step 6: Final answer
    x = 35,447.78

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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.