Home / 35,791.82-49,397.25-21,644.75

Finding the Fourth Proportional to 35,791.82, 49,397.25 and 21,644.75

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Solution

The fourth proportional to 35,791.82, 49,397.25 and 21,644.75 is: 29,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,791.82 : 49,397.25 = 21,644.75 : x
  2. Step 2: Convert to fraction form
    35,791.82/49,397.25 = 21,644.75/x
  3. Step 3: Cross multiply
    35,791.82x = 49,397.25 × 21,644.75
  4. Step 4: Simplify right side
    35,791.82x = 1,069,191,126.94
  5. Step 5: Solve for x
    x = 1,069,191,126.94/35,791.82
  6. Step 6: Final answer
    x = 29,872.50

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1.5x scale

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.