Home / 33,229.72-45,857.39-18,122.23

Finding the Fourth Proportional to 33,229.72, 45,857.39 and 18,122.23

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Solution

The fourth proportional to 33,229.72, 45,857.39 and 18,122.23 is: 25,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,229.72 : 45,857.39 = 18,122.23 : x
  2. Step 2: Convert to fraction form
    33,229.72/45,857.39 = 18,122.23/x
  3. Step 3: Cross multiply
    33,229.72x = 45,857.39 × 18,122.23
  4. Step 4: Simplify right side
    33,229.72x = 831,038,237.43
  5. Step 5: Solve for x
    x = 831,038,237.43/33,229.72
  6. Step 6: Final answer
    x = 25,008.89

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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.