Home / 49,305.12-73,958.16-21,223.44

Finding the Fourth Proportional to 49,305.12, 73,958.16 and 21,223.44

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Solution

The fourth proportional to 49,305.12, 73,958.16 and 21,223.44 is: 31,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,305.12 : 73,958.16 = 21,223.44 : x
  2. Step 2: Convert to fraction form
    49,305.12/73,958.16 = 21,223.44/x
  3. Step 3: Cross multiply
    49,305.12x = 73,958.16 × 21,223.44
  4. Step 4: Simplify right side
    49,305.12x = 1,569,646,571.27
  5. Step 5: Solve for x
    x = 1,569,646,571.27/49,305.12
  6. Step 6: Final answer
    x = 31,835.37

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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.