Home / 34,481.20-51,818.68-20,443.22

Finding the Fourth Proportional to 34,481.20, 51,818.68 and 20,443.22

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Solution

The fourth proportional to 34,481.20, 51,818.68 and 20,443.22 is: 30,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,481.20 : 51,818.68 = 20,443.22 : x
  2. Step 2: Convert to fraction form
    34,481.20/51,818.68 = 20,443.22/x
  3. Step 3: Cross multiply
    34,481.20x = 51,818.68 × 20,443.22
  4. Step 4: Simplify right side
    34,481.20x = 1,059,340,675.35
  5. Step 5: Solve for x
    x = 1,059,340,675.35/34,481.20
  6. Step 6: Final answer
    x = 30,722.27

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1.5x scale

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.