Home / 33,311.77-45,968.28-18,201.42

Finding the Fourth Proportional to 33,311.77, 45,968.28 and 18,201.42

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Solution

The fourth proportional to 33,311.77, 45,968.28 and 18,201.42 is: 25,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.77 : 45,968.28 = 18,201.42 : x
  2. Step 2: Convert to fraction form
    33,311.77/45,968.28 = 18,201.42/x
  3. Step 3: Cross multiply
    33,311.77x = 45,968.28 × 18,201.42
  4. Step 4: Simplify right side
    33,311.77x = 836,687,970.96
  5. Step 5: Solve for x
    x = 836,687,970.96/33,311.77
  6. Step 6: Final answer
    x = 25,116.89

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Double scale
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Similar ratio
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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.