Home / 51,738.45-77,542.77-22,121.52

Finding the Fourth Proportional to 51,738.45, 77,542.77 and 22,121.52

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Solution

The fourth proportional to 51,738.45, 77,542.77 and 22,121.52 is: 33,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,738.45 : 77,542.77 = 22,121.52 : x
  2. Step 2: Convert to fraction form
    51,738.45/77,542.77 = 22,121.52/x
  3. Step 3: Cross multiply
    51,738.45x = 77,542.77 × 22,121.52
  4. Step 4: Simplify right side
    51,738.45x = 1,715,363,729.58
  5. Step 5: Solve for x
    x = 1,715,363,729.58/51,738.45
  6. Step 6: Final answer
    x = 33,154.53

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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.