Home / 34,107.38-51,143.93-19,880.43

Finding the Fourth Proportional to 34,107.38, 51,143.93 and 19,880.43

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Solution

The fourth proportional to 34,107.38, 51,143.93 and 19,880.43 is: 29,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,107.38 : 51,143.93 = 19,880.43 : x
  2. Step 2: Convert to fraction form
    34,107.38/51,143.93 = 19,880.43/x
  3. Step 3: Cross multiply
    34,107.38x = 51,143.93 × 19,880.43
  4. Step 4: Simplify right side
    34,107.38x = 1,016,763,220.89
  5. Step 5: Solve for x
    x = 1,016,763,220.89/34,107.38
  6. Step 6: Final answer
    x = 29,810.66

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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.