Home / 33,690.38-50,537.99-12,913.88

Finding the Fourth Proportional to 33,690.38, 50,537.99 and 12,913.88

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Solution

The fourth proportional to 33,690.38, 50,537.99 and 12,913.88 is: 19,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,690.38 : 50,537.99 = 12,913.88 : x
  2. Step 2: Convert to fraction form
    33,690.38/50,537.99 = 12,913.88/x
  3. Step 3: Cross multiply
    33,690.38x = 50,537.99 × 12,913.88
  4. Step 4: Simplify right side
    33,690.38x = 652,641,317.90
  5. Step 5: Solve for x
    x = 652,641,317.90/33,690.38
  6. Step 6: Final answer
    x = 19,371.74

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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.