Home / 49,512.94-74,288.86-21,791.50

Finding the Fourth Proportional to 49,512.94, 74,288.86 and 21,791.50

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Solution

The fourth proportional to 49,512.94, 74,288.86 and 21,791.50 is: 32,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,512.94 : 74,288.86 = 21,791.50 : x
  2. Step 2: Convert to fraction form
    49,512.94/74,288.86 = 21,791.50/x
  3. Step 3: Cross multiply
    49,512.94x = 74,288.86 × 21,791.50
  4. Step 4: Simplify right side
    49,512.94x = 1,618,865,692.69
  5. Step 5: Solve for x
    x = 1,618,865,692.69/49,512.94
  6. Step 6: Final answer
    x = 32,695.81

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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.