Home / 33,201.60-45,816.74-18,861.38

Finding the Fourth Proportional to 33,201.60, 45,816.74 and 18,861.38

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Solution

The fourth proportional to 33,201.60, 45,816.74 and 18,861.38 is: 26,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,201.60 : 45,816.74 = 18,861.38 : x
  2. Step 2: Convert to fraction form
    33,201.60/45,816.74 = 18,861.38/x
  3. Step 3: Cross multiply
    33,201.60x = 45,816.74 × 18,861.38
  4. Step 4: Simplify right side
    33,201.60x = 864,166,991.51
  5. Step 5: Solve for x
    x = 864,166,991.51/33,201.60
  6. Step 6: Final answer
    x = 26,027.87

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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.