Home / 33,103.16-49,690.08-13,394.60

Finding the Fourth Proportional to 33,103.16, 49,690.08 and 13,394.60

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Solution

The fourth proportional to 33,103.16, 49,690.08 and 13,394.60 is: 20,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,103.16 : 49,690.08 = 13,394.60 : x
  2. Step 2: Convert to fraction form
    33,103.16/49,690.08 = 13,394.60/x
  3. Step 3: Cross multiply
    33,103.16x = 49,690.08 × 13,394.60
  4. Step 4: Simplify right side
    33,103.16x = 665,578,745.57
  5. Step 5: Solve for x
    x = 665,578,745.57/33,103.16
  6. Step 6: Final answer
    x = 20,106.20

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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.