Home / 33,108.99-49,351.58-30,451.78

Finding the Fourth Proportional to 33,108.99, 49,351.58 and 30,451.78

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Solution

The fourth proportional to 33,108.99, 49,351.58 and 30,451.78 is: 45,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,108.99 : 49,351.58 = 30,451.78 : x
  2. Step 2: Convert to fraction form
    33,108.99/49,351.58 = 30,451.78/x
  3. Step 3: Cross multiply
    33,108.99x = 49,351.58 × 30,451.78
  4. Step 4: Simplify right side
    33,108.99x = 1,502,843,480.44
  5. Step 5: Solve for x
    x = 1,502,843,480.44/33,108.99
  6. Step 6: Final answer
    x = 45,390.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.