Home / 33,105.69-49,660.02-10,920.99

Finding the Fourth Proportional to 33,105.69, 49,660.02 and 10,920.99

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Solution

The fourth proportional to 33,105.69, 49,660.02 and 10,920.99 is: 16,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,105.69 : 49,660.02 = 10,920.99 : x
  2. Step 2: Convert to fraction form
    33,105.69/49,660.02 = 10,920.99/x
  3. Step 3: Cross multiply
    33,105.69x = 49,660.02 × 10,920.99
  4. Step 4: Simplify right side
    33,105.69x = 542,336,581.82
  5. Step 5: Solve for x
    x = 542,336,581.82/33,105.69
  6. Step 6: Final answer
    x = 16,381.97

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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.