Home / 39,976.65-55,150.38-25,610.79

Finding the Fourth Proportional to 39,976.65, 55,150.38 and 25,610.79

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Solution

The fourth proportional to 39,976.65, 55,150.38 and 25,610.79 is: 35,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.65 : 55,150.38 = 25,610.79 : x
  2. Step 2: Convert to fraction form
    39,976.65/55,150.38 = 25,610.79/x
  3. Step 3: Cross multiply
    39,976.65x = 55,150.38 × 25,610.79
  4. Step 4: Simplify right side
    39,976.65x = 1,412,444,800.60
  5. Step 5: Solve for x
    x = 1,412,444,800.60/39,976.65
  6. Step 6: Final answer
    x = 35,331.74

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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.