Home / 33,137.62-49,704.81-12,359.50

Finding the Fourth Proportional to 33,137.62, 49,704.81 and 12,359.50

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Solution

The fourth proportional to 33,137.62, 49,704.81 and 12,359.50 is: 18,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,137.62 : 49,704.81 = 12,359.50 : x
  2. Step 2: Convert to fraction form
    33,137.62/49,704.81 = 12,359.50/x
  3. Step 3: Cross multiply
    33,137.62x = 49,704.81 × 12,359.50
  4. Step 4: Simplify right side
    33,137.62x = 614,326,599.20
  5. Step 5: Solve for x
    x = 614,326,599.20/33,137.62
  6. Step 6: Final answer
    x = 18,538.65

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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.