Home / 33,121.12-49,688.94-14,404.06

Finding the Fourth Proportional to 33,121.12, 49,688.94 and 14,404.06

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Solution

The fourth proportional to 33,121.12, 49,688.94 and 14,404.06 is: 21,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.12 : 49,688.94 = 14,404.06 : x
  2. Step 2: Convert to fraction form
    33,121.12/49,688.94 = 14,404.06/x
  3. Step 3: Cross multiply
    33,121.12x = 49,688.94 × 14,404.06
  4. Step 4: Simplify right side
    33,121.12x = 715,722,473.10
  5. Step 5: Solve for x
    x = 715,722,473.10/33,121.12
  6. Step 6: Final answer
    x = 21,609.25

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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.