Home / 54,193.07-81,221.89-26,107.89

Finding the Fourth Proportional to 54,193.07, 81,221.89 and 26,107.89

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Solution

The fourth proportional to 54,193.07, 81,221.89 and 26,107.89 is: 39,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,193.07 : 81,221.89 = 26,107.89 : x
  2. Step 2: Convert to fraction form
    54,193.07/81,221.89 = 26,107.89/x
  3. Step 3: Cross multiply
    54,193.07x = 81,221.89 × 26,107.89
  4. Step 4: Simplify right side
    54,193.07x = 2,120,531,763.60
  5. Step 5: Solve for x
    x = 2,120,531,763.60/54,193.07
  6. Step 6: Final answer
    x = 39,129.21

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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.