Home / 34,122.24-51,238.92-21,057.66

Finding the Fourth Proportional to 34,122.24, 51,238.92 and 21,057.66

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Solution

The fourth proportional to 34,122.24, 51,238.92 and 21,057.66 is: 31,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,122.24 : 51,238.92 = 21,057.66 : x
  2. Step 2: Convert to fraction form
    34,122.24/51,238.92 = 21,057.66/x
  3. Step 3: Cross multiply
    34,122.24x = 51,238.92 × 21,057.66
  4. Step 4: Simplify right side
    34,122.24x = 1,078,971,756.13
  5. Step 5: Solve for x
    x = 1,078,971,756.13/34,122.24
  6. Step 6: Final answer
    x = 31,620.78

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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.