Home / 54,747.98-82,100.25-18,715.46

Finding the Fourth Proportional to 54,747.98, 82,100.25 and 18,715.46

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Solution

The fourth proportional to 54,747.98, 82,100.25 and 18,715.46 is: 28,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,747.98 : 82,100.25 = 18,715.46 : x
  2. Step 2: Convert to fraction form
    54,747.98/82,100.25 = 18,715.46/x
  3. Step 3: Cross multiply
    54,747.98x = 82,100.25 × 18,715.46
  4. Step 4: Simplify right side
    54,747.98x = 1,536,543,944.87
  5. Step 5: Solve for x
    x = 1,536,543,944.87/54,747.98
  6. Step 6: Final answer
    x = 28,065.77

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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.