Home / 33,212.78-49,784.55-14,487.79

Finding the Fourth Proportional to 33,212.78, 49,784.55 and 14,487.79

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Solution

The fourth proportional to 33,212.78, 49,784.55 and 14,487.79 is: 21,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,212.78 : 49,784.55 = 14,487.79 : x
  2. Step 2: Convert to fraction form
    33,212.78/49,784.55 = 14,487.79/x
  3. Step 3: Cross multiply
    33,212.78x = 49,784.55 × 14,487.79
  4. Step 4: Simplify right side
    33,212.78x = 721,267,981.18
  5. Step 5: Solve for x
    x = 721,267,981.18/33,212.78
  6. Step 6: Final answer
    x = 21,716.58

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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.