Home / 33,140.61-49,700.39-10,949.85

Finding the Fourth Proportional to 33,140.61, 49,700.39 and 10,949.85

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Solution

The fourth proportional to 33,140.61, 49,700.39 and 10,949.85 is: 16,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.61 : 49,700.39 = 10,949.85 : x
  2. Step 2: Convert to fraction form
    33,140.61/49,700.39 = 10,949.85/x
  3. Step 3: Cross multiply
    33,140.61x = 49,700.39 × 10,949.85
  4. Step 4: Simplify right side
    33,140.61x = 544,211,760.69
  5. Step 5: Solve for x
    x = 544,211,760.69/33,140.61
  6. Step 6: Final answer
    x = 16,421.30

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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.