Home / 35,791.38-49,396.64-21,644.19

Finding the Fourth Proportional to 35,791.38, 49,396.64 and 21,644.19

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Solution

The fourth proportional to 35,791.38, 49,396.64 and 21,644.19 is: 29,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,791.38 : 49,396.64 = 21,644.19 : x
  2. Step 2: Convert to fraction form
    35,791.38/49,396.64 = 21,644.19/x
  3. Step 3: Cross multiply
    35,791.38x = 49,396.64 × 21,644.19
  4. Step 4: Simplify right side
    35,791.38x = 1,069,150,153.30
  5. Step 5: Solve for x
    x = 1,069,150,153.30/35,791.38
  6. Step 6: Final answer
    x = 29,871.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.