Home / 33,338.18-49,981.32-16,689.65

Finding the Fourth Proportional to 33,338.18, 49,981.32 and 16,689.65

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Solution

The fourth proportional to 33,338.18, 49,981.32 and 16,689.65 is: 25,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,338.18 : 49,981.32 = 16,689.65 : x
  2. Step 2: Convert to fraction form
    33,338.18/49,981.32 = 16,689.65/x
  3. Step 3: Cross multiply
    33,338.18x = 49,981.32 × 16,689.65
  4. Step 4: Simplify right side
    33,338.18x = 834,170,487.43
  5. Step 5: Solve for x
    x = 834,170,487.43/33,338.18
  6. Step 6: Final answer
    x = 25,021.47

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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.