Home / 54,751.36-82,126.32-13,198

Finding the Fourth Proportional to 54,751.36, 82,126.32 and 13,198

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Solution

The fourth proportional to 54,751.36, 82,126.32 and 13,198 is: 19,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,751.36 : 82,126.32 = 13,198 : x
  2. Step 2: Convert to fraction form
    54,751.36/82,126.32 = 13,198/x
  3. Step 3: Cross multiply
    54,751.36x = 82,126.32 × 13,198
  4. Step 4: Simplify right side
    54,751.36x = 1,083,903,171.36
  5. Step 5: Solve for x
    x = 1,083,903,171.36/54,751.36
  6. Step 6: Final answer
    x = 19,796.83

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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.