Home / 54,863.23-75,717.42-30,991.44

Finding the Fourth Proportional to 54,863.23, 75,717.42 and 30,991.44

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Solution

The fourth proportional to 54,863.23, 75,717.42 and 30,991.44 is: 42,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,863.23 : 75,717.42 = 30,991.44 : x
  2. Step 2: Convert to fraction form
    54,863.23/75,717.42 = 30,991.44/x
  3. Step 3: Cross multiply
    54,863.23x = 75,717.42 × 30,991.44
  4. Step 4: Simplify right side
    54,863.23x = 2,346,591,620.70
  5. Step 5: Solve for x
    x = 2,346,591,620.70/54,863.23
  6. Step 6: Final answer
    x = 42,771.67

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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.