Home / 34,423.44-51,721.68-21,949.20

Finding the Fourth Proportional to 34,423.44, 51,721.68 and 21,949.20

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Solution

The fourth proportional to 34,423.44, 51,721.68 and 21,949.20 is: 32,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,423.44 : 51,721.68 = 21,949.20 : x
  2. Step 2: Convert to fraction form
    34,423.44/51,721.68 = 21,949.20/x
  3. Step 3: Cross multiply
    34,423.44x = 51,721.68 × 21,949.20
  4. Step 4: Simplify right side
    34,423.44x = 1,135,249,498.66
  5. Step 5: Solve for x
    x = 1,135,249,498.66/34,423.44
  6. Step 6: Final answer
    x = 32,978.97

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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.