Home / 49,286.24-73,872.56-21,164.46

Finding the Fourth Proportional to 49,286.24, 73,872.56 and 21,164.46

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Solution

The fourth proportional to 49,286.24, 73,872.56 and 21,164.46 is: 31,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,286.24 : 73,872.56 = 21,164.46 : x
  2. Step 2: Convert to fraction form
    49,286.24/73,872.56 = 21,164.46/x
  3. Step 3: Cross multiply
    49,286.24x = 73,872.56 × 21,164.46
  4. Step 4: Simplify right side
    49,286.24x = 1,563,472,735.40
  5. Step 5: Solve for x
    x = 1,563,472,735.40/49,286.24
  6. Step 6: Final answer
    x = 31,722.30

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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.