Home / 36,194.60-54,272.70-12,821.80

Finding the Fourth Proportional to 36,194.60, 54,272.70 and 12,821.80

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Solution

The fourth proportional to 36,194.60, 54,272.70 and 12,821.80 is: 19,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,194.60 : 54,272.70 = 12,821.80 : x
  2. Step 2: Convert to fraction form
    36,194.60/54,272.70 = 12,821.80/x
  3. Step 3: Cross multiply
    36,194.60x = 54,272.70 × 12,821.80
  4. Step 4: Simplify right side
    36,194.60x = 695,873,704.86
  5. Step 5: Solve for x
    x = 695,873,704.86/36,194.60
  6. Step 6: Final answer
    x = 19,225.90

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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.