Home / 54,759.08-82,126.04-15,318.98

Finding the Fourth Proportional to 54,759.08, 82,126.04 and 15,318.98

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Solution

The fourth proportional to 54,759.08, 82,126.04 and 15,318.98 is: 22,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759.08 : 82,126.04 = 15,318.98 : x
  2. Step 2: Convert to fraction form
    54,759.08/82,126.04 = 15,318.98/x
  3. Step 3: Cross multiply
    54,759.08x = 82,126.04 × 15,318.98
  4. Step 4: Simplify right side
    54,759.08x = 1,258,087,164.24
  5. Step 5: Solve for x
    x = 1,258,087,164.24/54,759.08
  6. Step 6: Final answer
    x = 22,974.95

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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.