Home / 54,193.08-81,261.93-33,138.43

Finding the Fourth Proportional to 54,193.08, 81,261.93 and 33,138.43

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Solution

The fourth proportional to 54,193.08, 81,261.93 and 33,138.43 is: 49,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,193.08 : 81,261.93 = 33,138.43 : x
  2. Step 2: Convert to fraction form
    54,193.08/81,261.93 = 33,138.43/x
  3. Step 3: Cross multiply
    54,193.08x = 81,261.93 × 33,138.43
  4. Step 4: Simplify right side
    54,193.08x = 2,692,892,575.82
  5. Step 5: Solve for x
    x = 2,692,892,575.82/54,193.08
  6. Step 6: Final answer
    x = 49,690.71

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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.