Home / 33,165.65-49,743.52-12,100.75

Finding the Fourth Proportional to 33,165.65, 49,743.52 and 12,100.75

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Solution

The fourth proportional to 33,165.65, 49,743.52 and 12,100.75 is: 18,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.65 : 49,743.52 = 12,100.75 : x
  2. Step 2: Convert to fraction form
    33,165.65/49,743.52 = 12,100.75/x
  3. Step 3: Cross multiply
    33,165.65x = 49,743.52 × 12,100.75
  4. Step 4: Simplify right side
    33,165.65x = 601,933,899.64
  5. Step 5: Solve for x
    x = 601,933,899.64/33,165.65
  6. Step 6: Final answer
    x = 18,149.32

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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.