Home / 74,251.58-111,375.49-21,661.52

Finding the Fourth Proportional to 74,251.58, 111,375.49 and 21,661.52

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Solution

The fourth proportional to 74,251.58, 111,375.49 and 21,661.52 is: 32,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,251.58 : 111,375.49 = 21,661.52 : x
  2. Step 2: Convert to fraction form
    74,251.58/111,375.49 = 21,661.52/x
  3. Step 3: Cross multiply
    74,251.58x = 111,375.49 × 21,661.52
  4. Step 4: Simplify right side
    74,251.58x = 2,412,562,404.14
  5. Step 5: Solve for x
    x = 2,412,562,404.14/74,251.58
  6. Step 6: Final answer
    x = 32,491.73

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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.