Home / 34,007.85-50,998.11-12,940.66

Finding the Fourth Proportional to 34,007.85, 50,998.11 and 12,940.66

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Solution

The fourth proportional to 34,007.85, 50,998.11 and 12,940.66 is: 19,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,007.85 : 50,998.11 = 12,940.66 : x
  2. Step 2: Convert to fraction form
    34,007.85/50,998.11 = 12,940.66/x
  3. Step 3: Cross multiply
    34,007.85x = 50,998.11 × 12,940.66
  4. Step 4: Simplify right side
    34,007.85x = 659,949,217.37
  5. Step 5: Solve for x
    x = 659,949,217.37/34,007.85
  6. Step 6: Final answer
    x = 19,405.79

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1.5x scale

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.