Home / 33,199.13-45,809.43-19,770.05

Finding the Fourth Proportional to 33,199.13, 45,809.43 and 19,770.05

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Solution

The fourth proportional to 33,199.13, 45,809.43 and 19,770.05 is: 27,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,199.13 : 45,809.43 = 19,770.05 : x
  2. Step 2: Convert to fraction form
    33,199.13/45,809.43 = 19,770.05/x
  3. Step 3: Cross multiply
    33,199.13x = 45,809.43 × 19,770.05
  4. Step 4: Simplify right side
    33,199.13x = 905,654,492.52
  5. Step 5: Solve for x
    x = 905,654,492.52/33,199.13
  6. Step 6: Final answer
    x = 27,279.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.