Home / 36,518.04-54,783.11-12,819.43

Finding the Fourth Proportional to 36,518.04, 54,783.11 and 12,819.43

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Solution

The fourth proportional to 36,518.04, 54,783.11 and 12,819.43 is: 19,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,518.04 : 54,783.11 = 12,819.43 : x
  2. Step 2: Convert to fraction form
    36,518.04/54,783.11 = 12,819.43/x
  3. Step 3: Cross multiply
    36,518.04x = 54,783.11 × 12,819.43
  4. Step 4: Simplify right side
    36,518.04x = 702,288,179.73
  5. Step 5: Solve for x
    x = 702,288,179.73/36,518.04
  6. Step 6: Final answer
    x = 19,231.27

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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.