Home / 33,171.79-45,777.09-18,267.79

Finding the Fourth Proportional to 33,171.79, 45,777.09 and 18,267.79

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Solution

The fourth proportional to 33,171.79, 45,777.09 and 18,267.79 is: 25,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,171.79 : 45,777.09 = 18,267.79 : x
  2. Step 2: Convert to fraction form
    33,171.79/45,777.09 = 18,267.79/x
  3. Step 3: Cross multiply
    33,171.79x = 45,777.09 × 18,267.79
  4. Step 4: Simplify right side
    33,171.79x = 836,246,266.93
  5. Step 5: Solve for x
    x = 836,246,266.93/33,171.79
  6. Step 6: Final answer
    x = 25,209.56

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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.