Home / 34,121.22-51,147.20-13,055.85

Finding the Fourth Proportional to 34,121.22, 51,147.20 and 13,055.85

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Solution

The fourth proportional to 34,121.22, 51,147.20 and 13,055.85 is: 19,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.22 : 51,147.20 = 13,055.85 : x
  2. Step 2: Convert to fraction form
    34,121.22/51,147.20 = 13,055.85/x
  3. Step 3: Cross multiply
    34,121.22x = 51,147.20 × 13,055.85
  4. Step 4: Simplify right side
    34,121.22x = 667,770,130.32
  5. Step 5: Solve for x
    x = 667,770,130.32/34,121.22
  6. Step 6: Final answer
    x = 19,570.53

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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.