Home / 49,138.36-73,736.11-20,673.22

Finding the Fourth Proportional to 49,138.36, 73,736.11 and 20,673.22

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Solution

The fourth proportional to 49,138.36, 73,736.11 and 20,673.22 is: 31,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,138.36 : 73,736.11 = 20,673.22 : x
  2. Step 2: Convert to fraction form
    49,138.36/73,736.11 = 20,673.22/x
  3. Step 3: Cross multiply
    49,138.36x = 73,736.11 × 20,673.22
  4. Step 4: Simplify right side
    49,138.36x = 1,524,362,823.97
  5. Step 5: Solve for x
    x = 1,524,362,823.97/49,138.36
  6. Step 6: Final answer
    x = 31,021.85

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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.