Home / 30,226.87-41,712.25-16,797.78

Finding the Fourth Proportional to 30,226.87, 41,712.25 and 16,797.78

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Solution

The fourth proportional to 30,226.87, 41,712.25 and 16,797.78 is: 23,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.87 : 41,712.25 = 16,797.78 : x
  2. Step 2: Convert to fraction form
    30,226.87/41,712.25 = 16,797.78/x
  3. Step 3: Cross multiply
    30,226.87x = 41,712.25 × 16,797.78
  4. Step 4: Simplify right side
    30,226.87x = 700,673,198.81
  5. Step 5: Solve for x
    x = 700,673,198.81/30,226.87
  6. Step 6: Final answer
    x = 23,180.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.