Home / 33,286.10-45,928.74-18,945.09

Finding the Fourth Proportional to 33,286.10, 45,928.74 and 18,945.09

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Solution

The fourth proportional to 33,286.10, 45,928.74 and 18,945.09 is: 26,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,286.10 : 45,928.74 = 18,945.09 : x
  2. Step 2: Convert to fraction form
    33,286.10/45,928.74 = 18,945.09/x
  3. Step 3: Cross multiply
    33,286.10x = 45,928.74 × 18,945.09
  4. Step 4: Simplify right side
    33,286.10x = 870,123,948.19
  5. Step 5: Solve for x
    x = 870,123,948.19/33,286.10
  6. Step 6: Final answer
    x = 26,140.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.