Home / 44,163.78-66,181.24-20,478.56

Finding the Fourth Proportional to 44,163.78, 66,181.24 and 20,478.56

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Solution

The fourth proportional to 44,163.78, 66,181.24 and 20,478.56 is: 30,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,163.78 : 66,181.24 = 20,478.56 : x
  2. Step 2: Convert to fraction form
    44,163.78/66,181.24 = 20,478.56/x
  3. Step 3: Cross multiply
    44,163.78x = 66,181.24 × 20,478.56
  4. Step 4: Simplify right side
    44,163.78x = 1,355,296,494.21
  5. Step 5: Solve for x
    x = 1,355,296,494.21/44,163.78
  6. Step 6: Final answer
    x = 30,687.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.