Home / 30,350.82-41,877.18-18,245.76

Finding the Fourth Proportional to 30,350.82, 41,877.18 and 18,245.76

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Solution

The fourth proportional to 30,350.82, 41,877.18 and 18,245.76 is: 25,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.82 : 41,877.18 = 18,245.76 : x
  2. Step 2: Convert to fraction form
    30,350.82/41,877.18 = 18,245.76/x
  3. Step 3: Cross multiply
    30,350.82x = 41,877.18 × 18,245.76
  4. Step 4: Simplify right side
    30,350.82x = 764,080,975.76
  5. Step 5: Solve for x
    x = 764,080,975.76/30,350.82
  6. Step 6: Final answer
    x = 25,174.97

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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.