Home / 54,206.62-81,204.72-39,949.20

Finding the Fourth Proportional to 54,206.62, 81,204.72 and 39,949.20

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Solution

The fourth proportional to 54,206.62, 81,204.72 and 39,949.20 is: 59,846.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,206.62 : 81,204.72 = 39,949.20 : x
  2. Step 2: Convert to fraction form
    54,206.62/81,204.72 = 39,949.20/x
  3. Step 3: Cross multiply
    54,206.62x = 81,204.72 × 39,949.20
  4. Step 4: Simplify right side
    54,206.62x = 3,244,063,600.22
  5. Step 5: Solve for x
    x = 3,244,063,600.22/54,206.62
  6. Step 6: Final answer
    x = 59,846.26

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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.