Home / 47,629.76-71,441.76-21,327.44

Finding the Fourth Proportional to 47,629.76, 71,441.76 and 21,327.44

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Solution

The fourth proportional to 47,629.76, 71,441.76 and 21,327.44 is: 31,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,629.76 : 71,441.76 = 21,327.44 : x
  2. Step 2: Convert to fraction form
    47,629.76/71,441.76 = 21,327.44/x
  3. Step 3: Cross multiply
    47,629.76x = 71,441.76 × 21,327.44
  4. Step 4: Simplify right side
    47,629.76x = 1,523,669,849.89
  5. Step 5: Solve for x
    x = 1,523,669,849.89/47,629.76
  6. Step 6: Final answer
    x = 31,989.87

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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.