Home / 54,909.35-82,372.56-19,375.39

Finding the Fourth Proportional to 54,909.35, 82,372.56 and 19,375.39

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Solution

The fourth proportional to 54,909.35, 82,372.56 and 19,375.39 is: 29,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.35 : 82,372.56 = 19,375.39 : x
  2. Step 2: Convert to fraction form
    54,909.35/82,372.56 = 19,375.39/x
  3. Step 3: Cross multiply
    54,909.35x = 82,372.56 × 19,375.39
  4. Step 4: Simplify right side
    54,909.35x = 1,595,999,966.56
  5. Step 5: Solve for x
    x = 1,595,999,966.56/54,909.35
  6. Step 6: Final answer
    x = 29,066.09

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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.