Home / 54,092.04-81,138.05-20,827.77

Finding the Fourth Proportional to 54,092.04, 81,138.05 and 20,827.77

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Solution

The fourth proportional to 54,092.04, 81,138.05 and 20,827.77 is: 31,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,092.04 : 81,138.05 = 20,827.77 : x
  2. Step 2: Convert to fraction form
    54,092.04/81,138.05 = 20,827.77/x
  3. Step 3: Cross multiply
    54,092.04x = 81,138.05 × 20,827.77
  4. Step 4: Simplify right side
    54,092.04x = 1,689,924,290.03
  5. Step 5: Solve for x
    x = 1,689,924,290.03/54,092.04
  6. Step 6: Final answer
    x = 31,241.65

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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.