Home / 33,305.16-49,918.53-12,238.20

Finding the Fourth Proportional to 33,305.16, 49,918.53 and 12,238.20

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Solution

The fourth proportional to 33,305.16, 49,918.53 and 12,238.20 is: 18,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,305.16 : 49,918.53 = 12,238.20 : x
  2. Step 2: Convert to fraction form
    33,305.16/49,918.53 = 12,238.20/x
  3. Step 3: Cross multiply
    33,305.16x = 49,918.53 × 12,238.20
  4. Step 4: Simplify right side
    33,305.16x = 610,912,953.85
  5. Step 5: Solve for x
    x = 610,912,953.85/33,305.16
  6. Step 6: Final answer
    x = 18,342.89

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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.