Home / 43,958.85-65,942.87-12,794.10

Finding the Fourth Proportional to 43,958.85, 65,942.87 and 12,794.10

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Solution

The fourth proportional to 43,958.85, 65,942.87 and 12,794.10 is: 19,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,958.85 : 65,942.87 = 12,794.10 : x
  2. Step 2: Convert to fraction form
    43,958.85/65,942.87 = 12,794.10/x
  3. Step 3: Cross multiply
    43,958.85x = 65,942.87 × 12,794.10
  4. Step 4: Simplify right side
    43,958.85x = 843,679,609.10
  5. Step 5: Solve for x
    x = 843,679,609.10/43,958.85
  6. Step 6: Final answer
    x = 19,192.49

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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.