Home / 33,110.70-49,666.05-19,956.30

Finding the Fourth Proportional to 33,110.70, 49,666.05 and 19,956.30

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Solution

The fourth proportional to 33,110.70, 49,666.05 and 19,956.30 is: 29,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.70 : 49,666.05 = 19,956.30 : x
  2. Step 2: Convert to fraction form
    33,110.70/49,666.05 = 19,956.30/x
  3. Step 3: Cross multiply
    33,110.70x = 49,666.05 × 19,956.30
  4. Step 4: Simplify right side
    33,110.70x = 991,150,593.62
  5. Step 5: Solve for x
    x = 991,150,593.62/33,110.70
  6. Step 6: Final answer
    x = 29,934.45

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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.