Home / 34,961.45-48,247.11-20,621.61

Finding the Fourth Proportional to 34,961.45, 48,247.11 and 20,621.61

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Solution

The fourth proportional to 34,961.45, 48,247.11 and 20,621.61 is: 28,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,961.45 : 48,247.11 = 20,621.61 : x
  2. Step 2: Convert to fraction form
    34,961.45/48,247.11 = 20,621.61/x
  3. Step 3: Cross multiply
    34,961.45x = 48,247.11 × 20,621.61
  4. Step 4: Simplify right side
    34,961.45x = 994,933,086.05
  5. Step 5: Solve for x
    x = 994,933,086.05/34,961.45
  6. Step 6: Final answer
    x = 28,458.01

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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.