Home / 66,789.36-100,181.04-22,412.88

Finding the Fourth Proportional to 66,789.36, 100,181.04 and 22,412.88

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Solution

The fourth proportional to 66,789.36, 100,181.04 and 22,412.88 is: 33,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,789.36 : 100,181.04 = 22,412.88 : x
  2. Step 2: Convert to fraction form
    66,789.36/100,181.04 = 22,412.88/x
  3. Step 3: Cross multiply
    66,789.36x = 100,181.04 × 22,412.88
  4. Step 4: Simplify right side
    66,789.36x = 2,245,345,627.80
  5. Step 5: Solve for x
    x = 2,245,345,627.80/66,789.36
  6. Step 6: Final answer
    x = 33,618.31

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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.