Home / 54,298.38-81,443.73-16,857.54

Finding the Fourth Proportional to 54,298.38, 81,443.73 and 16,857.54

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Solution

The fourth proportional to 54,298.38, 81,443.73 and 16,857.54 is: 25,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,298.38 : 81,443.73 = 16,857.54 : x
  2. Step 2: Convert to fraction form
    54,298.38/81,443.73 = 16,857.54/x
  3. Step 3: Cross multiply
    54,298.38x = 81,443.73 × 16,857.54
  4. Step 4: Simplify right side
    54,298.38x = 1,372,940,936.22
  5. Step 5: Solve for x
    x = 1,372,940,936.22/54,298.38
  6. Step 6: Final answer
    x = 25,285.12

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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.