Home / 47,977.68-71,976.24-18,396.48

Finding the Fourth Proportional to 47,977.68, 71,976.24 and 18,396.48

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Solution

The fourth proportional to 47,977.68, 71,976.24 and 18,396.48 is: 27,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977.68 : 71,976.24 = 18,396.48 : x
  2. Step 2: Convert to fraction form
    47,977.68/71,976.24 = 18,396.48/x
  3. Step 3: Cross multiply
    47,977.68x = 71,976.24 × 18,396.48
  4. Step 4: Simplify right side
    47,977.68x = 1,324,109,459.64
  5. Step 5: Solve for x
    x = 1,324,109,459.64/47,977.68
  6. Step 6: Final answer
    x = 27,598.45

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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.