Home / 30,049.80-41,467.94-16,620.68

Finding the Fourth Proportional to 30,049.80, 41,467.94 and 16,620.68

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Solution

The fourth proportional to 30,049.80, 41,467.94 and 16,620.68 is: 22,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.80 : 41,467.94 = 16,620.68 : x
  2. Step 2: Convert to fraction form
    30,049.80/41,467.94 = 16,620.68/x
  3. Step 3: Cross multiply
    30,049.80x = 41,467.94 × 16,620.68
  4. Step 4: Simplify right side
    30,049.80x = 689,225,361.00
  5. Step 5: Solve for x
    x = 689,225,361.00/30,049.80
  6. Step 6: Final answer
    x = 22,936.10

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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.