Home / 54,049.55-81,078.64-18,997.07

Finding the Fourth Proportional to 54,049.55, 81,078.64 and 18,997.07

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Solution

The fourth proportional to 54,049.55, 81,078.64 and 18,997.07 is: 28,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,049.55 : 81,078.64 = 18,997.07 : x
  2. Step 2: Convert to fraction form
    54,049.55/81,078.64 = 18,997.07/x
  3. Step 3: Cross multiply
    54,049.55x = 81,078.64 × 18,997.07
  4. Step 4: Simplify right side
    54,049.55x = 1,540,256,146.70
  5. Step 5: Solve for x
    x = 1,540,256,146.70/54,049.55
  6. Step 6: Final answer
    x = 28,497.12

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1.5x scale

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.