Home / 47,455.20-71,134.20-27,723.60

Finding the Fourth Proportional to 47,455.20, 71,134.20 and 27,723.60

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Solution

The fourth proportional to 47,455.20, 71,134.20 and 27,723.60 is: 41,557.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,455.20 : 71,134.20 = 27,723.60 : x
  2. Step 2: Convert to fraction form
    47,455.20/71,134.20 = 27,723.60/x
  3. Step 3: Cross multiply
    47,455.20x = 71,134.20 × 27,723.60
  4. Step 4: Simplify right side
    47,455.20x = 1,972,096,107.12
  5. Step 5: Solve for x
    x = 1,972,096,107.12/47,455.20
  6. Step 6: Final answer
    x = 41,557.01

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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.