Home / 33,027.11-45,615.27-21,747.03

Finding the Fourth Proportional to 33,027.11, 45,615.27 and 21,747.03

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Solution

The fourth proportional to 33,027.11, 45,615.27 and 21,747.03 is: 30,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,027.11 : 45,615.27 = 21,747.03 : x
  2. Step 2: Convert to fraction form
    33,027.11/45,615.27 = 21,747.03/x
  3. Step 3: Cross multiply
    33,027.11x = 45,615.27 × 21,747.03
  4. Step 4: Simplify right side
    33,027.11x = 991,996,689.90
  5. Step 5: Solve for x
    x = 991,996,689.90/33,027.11
  6. Step 6: Final answer
    x = 30,035.83

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1.5x scale

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.