Home / 54,649.22-81,976.75-17,212.23

Finding the Fourth Proportional to 54,649.22, 81,976.75 and 17,212.23

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Solution

The fourth proportional to 54,649.22, 81,976.75 and 17,212.23 is: 25,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,649.22 : 81,976.75 = 17,212.23 : x
  2. Step 2: Convert to fraction form
    54,649.22/81,976.75 = 17,212.23/x
  3. Step 3: Cross multiply
    54,649.22x = 81,976.75 × 17,212.23
  4. Step 4: Simplify right side
    54,649.22x = 1,411,002,632.62
  5. Step 5: Solve for x
    x = 1,411,002,632.62/54,649.22
  6. Step 6: Final answer
    x = 25,819.27

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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.