Home / 36,640.49-55,004.58-21,856.37

Finding the Fourth Proportional to 36,640.49, 55,004.58 and 21,856.37

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Solution

The fourth proportional to 36,640.49, 55,004.58 and 21,856.37 is: 32,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.49 : 55,004.58 = 21,856.37 : x
  2. Step 2: Convert to fraction form
    36,640.49/55,004.58 = 21,856.37/x
  3. Step 3: Cross multiply
    36,640.49x = 55,004.58 × 21,856.37
  4. Step 4: Simplify right side
    36,640.49x = 1,202,200,589.69
  5. Step 5: Solve for x
    x = 1,202,200,589.69/36,640.49
  6. Step 6: Final answer
    x = 32,810.71

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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.