Home / 51,757.44-77,640.84-22,168.56

Finding the Fourth Proportional to 51,757.44, 77,640.84 and 22,168.56

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Solution

The fourth proportional to 51,757.44, 77,640.84 and 22,168.56 is: 33,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,757.44 : 77,640.84 = 22,168.56 : x
  2. Step 2: Convert to fraction form
    51,757.44/77,640.84 = 22,168.56/x
  3. Step 3: Cross multiply
    51,757.44x = 77,640.84 × 22,168.56
  4. Step 4: Simplify right side
    51,757.44x = 1,721,185,619.99
  5. Step 5: Solve for x
    x = 1,721,185,619.99/51,757.44
  6. Step 6: Final answer
    x = 33,254.84

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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.