Home / 54,876.88-82,311.23-19,816.57

Finding the Fourth Proportional to 54,876.88, 82,311.23 and 19,816.57

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Solution

The fourth proportional to 54,876.88, 82,311.23 and 19,816.57 is: 29,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,876.88 : 82,311.23 = 19,816.57 : x
  2. Step 2: Convert to fraction form
    54,876.88/82,311.23 = 19,816.57/x
  3. Step 3: Cross multiply
    54,876.88x = 82,311.23 × 19,816.57
  4. Step 4: Simplify right side
    54,876.88x = 1,631,126,251.08
  5. Step 5: Solve for x
    x = 1,631,126,251.08/54,876.88
  6. Step 6: Final answer
    x = 29,723.38

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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.