Home / 47,849.60-71,777.28-18,270.24

Finding the Fourth Proportional to 47,849.60, 71,777.28 and 18,270.24

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Solution

The fourth proportional to 47,849.60, 71,777.28 and 18,270.24 is: 27,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,849.60 : 71,777.28 = 18,270.24 : x
  2. Step 2: Convert to fraction form
    47,849.60/71,777.28 = 18,270.24/x
  3. Step 3: Cross multiply
    47,849.60x = 71,777.28 × 18,270.24
  4. Step 4: Simplify right side
    47,849.60x = 1,311,388,132.15
  5. Step 5: Solve for x
    x = 1,311,388,132.15/47,849.60
  6. Step 6: Final answer
    x = 27,406.46

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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.