Home / 47,449.20-71,195.94-21,151.20

Finding the Fourth Proportional to 47,449.20, 71,195.94 and 21,151.20

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Solution

The fourth proportional to 47,449.20, 71,195.94 and 21,151.20 is: 31,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,449.20 : 71,195.94 = 21,151.20 : x
  2. Step 2: Convert to fraction form
    47,449.20/71,195.94 = 21,151.20/x
  3. Step 3: Cross multiply
    47,449.20x = 71,195.94 × 21,151.20
  4. Step 4: Simplify right side
    47,449.20x = 1,505,879,566.13
  5. Step 5: Solve for x
    x = 1,505,879,566.13/47,449.20
  6. Step 6: Final answer
    x = 31,736.67

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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.