Home / 33,240.54-49,860.36-8,280.78

Finding the Fourth Proportional to 33,240.54, 49,860.36 and 8,280.78

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Solution

The fourth proportional to 33,240.54, 49,860.36 and 8,280.78 is: 12,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.54 : 49,860.36 = 8,280.78 : x
  2. Step 2: Convert to fraction form
    33,240.54/49,860.36 = 8,280.78/x
  3. Step 3: Cross multiply
    33,240.54x = 49,860.36 × 8,280.78
  4. Step 4: Simplify right side
    33,240.54x = 412,882,671.88
  5. Step 5: Solve for x
    x = 412,882,671.88/33,240.54
  6. Step 6: Final answer
    x = 12,421.06

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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.