Home / 54,664.43-82,017.30-21,408.26

Finding the Fourth Proportional to 54,664.43, 82,017.30 and 21,408.26

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Solution

The fourth proportional to 54,664.43, 82,017.30 and 21,408.26 is: 32,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,664.43 : 82,017.30 = 21,408.26 : x
  2. Step 2: Convert to fraction form
    54,664.43/82,017.30 = 21,408.26/x
  3. Step 3: Cross multiply
    54,664.43x = 82,017.30 × 21,408.26
  4. Step 4: Simplify right side
    54,664.43x = 1,755,847,682.90
  5. Step 5: Solve for x
    x = 1,755,847,682.90/54,664.43
  6. Step 6: Final answer
    x = 32,120.48

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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.