Home / 40,797.86-61,183.82-13,089.38

Finding the Fourth Proportional to 40,797.86, 61,183.82 and 13,089.38

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Solution

The fourth proportional to 40,797.86, 61,183.82 and 13,089.38 is: 19,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,797.86 : 61,183.82 = 13,089.38 : x
  2. Step 2: Convert to fraction form
    40,797.86/61,183.82 = 13,089.38/x
  3. Step 3: Cross multiply
    40,797.86x = 61,183.82 × 13,089.38
  4. Step 4: Simplify right side
    40,797.86x = 800,857,996.64
  5. Step 5: Solve for x
    x = 800,857,996.64/40,797.86
  6. Step 6: Final answer
    x = 19,629.90

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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.