Home / 54,644.24-81,917.73-21,356.73

Finding the Fourth Proportional to 54,644.24, 81,917.73 and 21,356.73

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Solution

The fourth proportional to 54,644.24, 81,917.73 and 21,356.73 is: 32,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,644.24 : 81,917.73 = 21,356.73 : x
  2. Step 2: Convert to fraction form
    54,644.24/81,917.73 = 21,356.73/x
  3. Step 3: Cross multiply
    54,644.24x = 81,917.73 × 21,356.73
  4. Step 4: Simplify right side
    54,644.24x = 1,749,494,841.82
  5. Step 5: Solve for x
    x = 1,749,494,841.82/54,644.24
  6. Step 6: Final answer
    x = 32,016.09

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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.