Home / 51,786.09-77,629.92-33,013.44

Finding the Fourth Proportional to 51,786.09, 77,629.92 and 33,013.44

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Solution

The fourth proportional to 51,786.09, 77,629.92 and 33,013.44 is: 49,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786.09 : 77,629.92 = 33,013.44 : x
  2. Step 2: Convert to fraction form
    51,786.09/77,629.92 = 33,013.44/x
  3. Step 3: Cross multiply
    51,786.09x = 77,629.92 × 33,013.44
  4. Step 4: Simplify right side
    51,786.09x = 2,562,830,706.12
  5. Step 5: Solve for x
    x = 2,562,830,706.12/51,786.09
  6. Step 6: Final answer
    x = 49,488.79

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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.