Home / 54,788.04-82,150.36-21,469.09

Finding the Fourth Proportional to 54,788.04, 82,150.36 and 21,469.09

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Solution

The fourth proportional to 54,788.04, 82,150.36 and 21,469.09 is: 32,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,788.04 : 82,150.36 = 21,469.09 : x
  2. Step 2: Convert to fraction form
    54,788.04/82,150.36 = 21,469.09/x
  3. Step 3: Cross multiply
    54,788.04x = 82,150.36 × 21,469.09
  4. Step 4: Simplify right side
    54,788.04x = 1,763,693,472.37
  5. Step 5: Solve for x
    x = 1,763,693,472.37/54,788.04
  6. Step 6: Final answer
    x = 32,191.21

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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.