Home / 34,268.46-51,329.78-19,469.76

Finding the Fourth Proportional to 34,268.46, 51,329.78 and 19,469.76

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Solution

The fourth proportional to 34,268.46, 51,329.78 and 19,469.76 is: 29,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,268.46 : 51,329.78 = 19,469.76 : x
  2. Step 2: Convert to fraction form
    34,268.46/51,329.78 = 19,469.76/x
  3. Step 3: Cross multiply
    34,268.46x = 51,329.78 × 19,469.76
  4. Step 4: Simplify right side
    34,268.46x = 999,378,497.45
  5. Step 5: Solve for x
    x = 999,378,497.45/34,268.46
  6. Step 6: Final answer
    x = 29,163.22

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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.