Home / 54,409.38-81,629.87-19,351.77

Finding the Fourth Proportional to 54,409.38, 81,629.87 and 19,351.77

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Solution

The fourth proportional to 54,409.38, 81,629.87 and 19,351.77 is: 29,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,409.38 : 81,629.87 = 19,351.77 : x
  2. Step 2: Convert to fraction form
    54,409.38/81,629.87 = 19,351.77/x
  3. Step 3: Cross multiply
    54,409.38x = 81,629.87 × 19,351.77
  4. Step 4: Simplify right side
    54,409.38x = 1,579,682,372.61
  5. Step 5: Solve for x
    x = 1,579,682,372.61/54,409.38
  6. Step 6: Final answer
    x = 29,033.27

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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.