Home / 33,405.48-50,109.78-18,603.24

Finding the Fourth Proportional to 33,405.48, 50,109.78 and 18,603.24

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Solution

The fourth proportional to 33,405.48, 50,109.78 and 18,603.24 is: 27,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,405.48 : 50,109.78 = 18,603.24 : x
  2. Step 2: Convert to fraction form
    33,405.48/50,109.78 = 18,603.24/x
  3. Step 3: Cross multiply
    33,405.48x = 50,109.78 × 18,603.24
  4. Step 4: Simplify right side
    33,405.48x = 932,204,263.69
  5. Step 5: Solve for x
    x = 932,204,263.69/33,405.48
  6. Step 6: Final answer
    x = 27,905.73

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1.5x scale

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.