Home / 54,774.20-82,193.70-19,709.30

Finding the Fourth Proportional to 54,774.20, 82,193.70 and 19,709.30

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Solution

The fourth proportional to 54,774.20, 82,193.70 and 19,709.30 is: 29,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,774.20 : 82,193.70 = 19,709.30 : x
  2. Step 2: Convert to fraction form
    54,774.20/82,193.70 = 19,709.30/x
  3. Step 3: Cross multiply
    54,774.20x = 82,193.70 × 19,709.30
  4. Step 4: Simplify right side
    54,774.20x = 1,619,980,291.41
  5. Step 5: Solve for x
    x = 1,619,980,291.41/54,774.20
  6. Step 6: Final answer
    x = 29,575.61

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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.