Home / 33,229.34-45,857.35-18,122.64

Finding the Fourth Proportional to 33,229.34, 45,857.35 and 18,122.64

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Solution

The fourth proportional to 33,229.34, 45,857.35 and 18,122.64 is: 25,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,229.34 : 45,857.35 = 18,122.64 : x
  2. Step 2: Convert to fraction form
    33,229.34/45,857.35 = 18,122.64/x
  3. Step 3: Cross multiply
    33,229.34x = 45,857.35 × 18,122.64
  4. Step 4: Simplify right side
    33,229.34x = 831,056,016.12
  5. Step 5: Solve for x
    x = 831,056,016.12/33,229.34
  6. Step 6: Final answer
    x = 25,009.71

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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.