Home / 33,230.20-49,845.30-19,406.20

Finding the Fourth Proportional to 33,230.20, 49,845.30 and 19,406.20

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Solution

The fourth proportional to 33,230.20, 49,845.30 and 19,406.20 is: 29,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,230.20 : 49,845.30 = 19,406.20 : x
  2. Step 2: Convert to fraction form
    33,230.20/49,845.30 = 19,406.20/x
  3. Step 3: Cross multiply
    33,230.20x = 49,845.30 × 19,406.20
  4. Step 4: Simplify right side
    33,230.20x = 967,307,860.86
  5. Step 5: Solve for x
    x = 967,307,860.86/33,230.20
  6. Step 6: Final answer
    x = 29,109.30

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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.