Home / 36,421.13-54,618.46-12,722.04

Finding the Fourth Proportional to 36,421.13, 54,618.46 and 12,722.04

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Solution

The fourth proportional to 36,421.13, 54,618.46 and 12,722.04 is: 19,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,421.13 : 54,618.46 = 12,722.04 : x
  2. Step 2: Convert to fraction form
    36,421.13/54,618.46 = 12,722.04/x
  3. Step 3: Cross multiply
    36,421.13x = 54,618.46 × 12,722.04
  4. Step 4: Simplify right side
    36,421.13x = 694,858,201.05
  5. Step 5: Solve for x
    x = 694,858,201.05/36,421.13
  6. Step 6: Final answer
    x = 19,078.43

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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.