Home / 40,411.38-60,626.61-12,709.38

Finding the Fourth Proportional to 40,411.38, 60,626.61 and 12,709.38

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Solution

The fourth proportional to 40,411.38, 60,626.61 and 12,709.38 is: 19,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,411.38 : 60,626.61 = 12,709.38 : x
  2. Step 2: Convert to fraction form
    40,411.38/60,626.61 = 12,709.38/x
  3. Step 3: Cross multiply
    40,411.38x = 60,626.61 × 12,709.38
  4. Step 4: Simplify right side
    40,411.38x = 770,526,624.60
  5. Step 5: Solve for x
    x = 770,526,624.60/40,411.38
  6. Step 6: Final answer
    x = 19,067.07

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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.