Home / 55,976.68-83,964.92-38,393.20

Finding the Fourth Proportional to 55,976.68, 83,964.92 and 38,393.20

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Solution

The fourth proportional to 55,976.68, 83,964.92 and 38,393.20 is: 57,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,976.68 : 83,964.92 = 38,393.20 : x
  2. Step 2: Convert to fraction form
    55,976.68/83,964.92 = 38,393.20/x
  3. Step 3: Cross multiply
    55,976.68x = 83,964.92 × 38,393.20
  4. Step 4: Simplify right side
    55,976.68x = 3,223,681,966.54
  5. Step 5: Solve for x
    x = 3,223,681,966.54/55,976.68
  6. Step 6: Final answer
    x = 57,589.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.