Home / 54,964.80-82,439.10-15,525.90

Finding the Fourth Proportional to 54,964.80, 82,439.10 and 15,525.90

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Solution

The fourth proportional to 54,964.80, 82,439.10 and 15,525.90 is: 23,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,964.80 : 82,439.10 = 15,525.90 : x
  2. Step 2: Convert to fraction form
    54,964.80/82,439.10 = 15,525.90/x
  3. Step 3: Cross multiply
    54,964.80x = 82,439.10 × 15,525.90
  4. Step 4: Simplify right side
    54,964.80x = 1,279,941,222.69
  5. Step 5: Solve for x
    x = 1,279,941,222.69/54,964.80
  6. Step 6: Final answer
    x = 23,286.56

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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.