Home / 30,207.67-45,305.33-11,481.14

Finding the Fourth Proportional to 30,207.67, 45,305.33 and 11,481.14

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Solution

The fourth proportional to 30,207.67, 45,305.33 and 11,481.14 is: 17,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.67 : 45,305.33 = 11,481.14 : x
  2. Step 2: Convert to fraction form
    30,207.67/45,305.33 = 11,481.14/x
  3. Step 3: Cross multiply
    30,207.67x = 45,305.33 × 11,481.14
  4. Step 4: Simplify right side
    30,207.67x = 520,156,892.33
  5. Step 5: Solve for x
    x = 520,156,892.33/30,207.67
  6. Step 6: Final answer
    x = 17,219.37

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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.