Home / 34,408.23-51,481.90-20,375.79

Finding the Fourth Proportional to 34,408.23, 51,481.90 and 20,375.79

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Solution

The fourth proportional to 34,408.23, 51,481.90 and 20,375.79 is: 30,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,408.23 : 51,481.90 = 20,375.79 : x
  2. Step 2: Convert to fraction form
    34,408.23/51,481.90 = 20,375.79/x
  3. Step 3: Cross multiply
    34,408.23x = 51,481.90 × 20,375.79
  4. Step 4: Simplify right side
    34,408.23x = 1,048,984,383.20
  5. Step 5: Solve for x
    x = 1,048,984,383.20/34,408.23
  6. Step 6: Final answer
    x = 30,486.44

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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.