Home / 33,110.60-49,665.90-19,988.60

Finding the Fourth Proportional to 33,110.60, 49,665.90 and 19,988.60

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Solution

The fourth proportional to 33,110.60, 49,665.90 and 19,988.60 is: 29,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.60 : 49,665.90 = 19,988.60 : x
  2. Step 2: Convert to fraction form
    33,110.60/49,665.90 = 19,988.60/x
  3. Step 3: Cross multiply
    33,110.60x = 49,665.90 × 19,988.60
  4. Step 4: Simplify right side
    33,110.60x = 992,751,808.74
  5. Step 5: Solve for x
    x = 992,751,808.74/33,110.60
  6. Step 6: Final answer
    x = 29,982.90

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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.