Home / 54,788.16-82,150.55-21,469.22

Finding the Fourth Proportional to 54,788.16, 82,150.55 and 21,469.22

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Solution

The fourth proportional to 54,788.16, 82,150.55 and 21,469.22 is: 32,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,788.16 : 82,150.55 = 21,469.22 : x
  2. Step 2: Convert to fraction form
    54,788.16/82,150.55 = 21,469.22/x
  3. Step 3: Cross multiply
    54,788.16x = 82,150.55 × 21,469.22
  4. Step 4: Simplify right side
    54,788.16x = 1,763,708,231.07
  5. Step 5: Solve for x
    x = 1,763,708,231.07/54,788.16
  6. Step 6: Final answer
    x = 32,191.41

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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.