Home / 54,142.87-81,228.15-22,542.43

Finding the Fourth Proportional to 54,142.87, 81,228.15 and 22,542.43

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Solution

The fourth proportional to 54,142.87, 81,228.15 and 22,542.43 is: 33,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,142.87 : 81,228.15 = 22,542.43 : x
  2. Step 2: Convert to fraction form
    54,142.87/81,228.15 = 22,542.43/x
  3. Step 3: Cross multiply
    54,142.87x = 81,228.15 × 22,542.43
  4. Step 4: Simplify right side
    54,142.87x = 1,831,079,885.40
  5. Step 5: Solve for x
    x = 1,831,079,885.40/54,142.87
  6. Step 6: Final answer
    x = 33,819.41

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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.