Home / 36,513.29-54,770.43-12,819.89

Finding the Fourth Proportional to 36,513.29, 54,770.43 and 12,819.89

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Solution

The fourth proportional to 36,513.29, 54,770.43 and 12,819.89 is: 19,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,513.29 : 54,770.43 = 12,819.89 : x
  2. Step 2: Convert to fraction form
    36,513.29/54,770.43 = 12,819.89/x
  3. Step 3: Cross multiply
    36,513.29x = 54,770.43 × 12,819.89
  4. Step 4: Simplify right side
    36,513.29x = 702,150,887.85
  5. Step 5: Solve for x
    x = 702,150,887.85/36,513.29
  6. Step 6: Final answer
    x = 19,230.01

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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.