Home / 54,450.48-81,696.85-21,193.91

Finding the Fourth Proportional to 54,450.48, 81,696.85 and 21,193.91

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Solution

The fourth proportional to 54,450.48, 81,696.85 and 21,193.91 is: 31,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450.48 : 81,696.85 = 21,193.91 : x
  2. Step 2: Convert to fraction form
    54,450.48/81,696.85 = 21,193.91/x
  3. Step 3: Cross multiply
    54,450.48x = 81,696.85 × 21,193.91
  4. Step 4: Simplify right side
    54,450.48x = 1,731,475,171.73
  5. Step 5: Solve for x
    x = 1,731,475,171.73/54,450.48
  6. Step 6: Final answer
    x = 31,799.08

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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.