Home / 54,965.88-82,320.48-40,138.02

Finding the Fourth Proportional to 54,965.88, 82,320.48 and 40,138.02

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Solution

The fourth proportional to 54,965.88, 82,320.48 and 40,138.02 is: 60,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,965.88 : 82,320.48 = 40,138.02 : x
  2. Step 2: Convert to fraction form
    54,965.88/82,320.48 = 40,138.02/x
  3. Step 3: Cross multiply
    54,965.88x = 82,320.48 × 40,138.02
  4. Step 4: Simplify right side
    54,965.88x = 3,304,181,072.65
  5. Step 5: Solve for x
    x = 3,304,181,072.65/54,965.88
  6. Step 6: Final answer
    x = 60,113.31

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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.