Home / 34,310.22-51,422.94-20,256

Finding the Fourth Proportional to 34,310.22, 51,422.94 and 20,256

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Solution

The fourth proportional to 34,310.22, 51,422.94 and 20,256 is: 30,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,310.22 : 51,422.94 = 20,256 : x
  2. Step 2: Convert to fraction form
    34,310.22/51,422.94 = 20,256/x
  3. Step 3: Cross multiply
    34,310.22x = 51,422.94 × 20,256
  4. Step 4: Simplify right side
    34,310.22x = 1,041,623,072.64
  5. Step 5: Solve for x
    x = 1,041,623,072.64/34,310.22
  6. Step 6: Final answer
    x = 30,358.97

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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.