Home / 51,851.82-77,790.15-16,791.54

Finding the Fourth Proportional to 51,851.82, 77,790.15 and 16,791.54

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Solution

The fourth proportional to 51,851.82, 77,790.15 and 16,791.54 is: 25,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,851.82 : 77,790.15 = 16,791.54 : x
  2. Step 2: Convert to fraction form
    51,851.82/77,790.15 = 16,791.54/x
  3. Step 3: Cross multiply
    51,851.82x = 77,790.15 × 16,791.54
  4. Step 4: Simplify right side
    51,851.82x = 1,306,216,415.33
  5. Step 5: Solve for x
    x = 1,306,216,415.33/51,851.82
  6. Step 6: Final answer
    x = 25,191.33

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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.