Home / 34,135.26-51,226.11-20,947.38

Finding the Fourth Proportional to 34,135.26, 51,226.11 and 20,947.38

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Solution

The fourth proportional to 34,135.26, 51,226.11 and 20,947.38 is: 31,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,135.26 : 51,226.11 = 20,947.38 : x
  2. Step 2: Convert to fraction form
    34,135.26/51,226.11 = 20,947.38/x
  3. Step 3: Cross multiply
    34,135.26x = 51,226.11 × 20,947.38
  4. Step 4: Simplify right side
    34,135.26x = 1,073,052,792.09
  5. Step 5: Solve for x
    x = 1,073,052,792.09/34,135.26
  6. Step 6: Final answer
    x = 31,435.32

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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.