Home / 36,067.91-54,084.04-21,078.81

Finding the Fourth Proportional to 36,067.91, 54,084.04 and 21,078.81

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Solution

The fourth proportional to 36,067.91, 54,084.04 and 21,078.81 is: 31,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,067.91 : 54,084.04 = 21,078.81 : x
  2. Step 2: Convert to fraction form
    36,067.91/54,084.04 = 21,078.81/x
  3. Step 3: Cross multiply
    36,067.91x = 54,084.04 × 21,078.81
  4. Step 4: Simplify right side
    36,067.91x = 1,140,027,150.50
  5. Step 5: Solve for x
    x = 1,140,027,150.50/36,067.91
  6. Step 6: Final answer
    x = 31,607.80

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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.