Home / 66,857.38-100,249.08-27,442.24

Finding the Fourth Proportional to 66,857.38, 100,249.08 and 27,442.24

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Solution

The fourth proportional to 66,857.38, 100,249.08 and 27,442.24 is: 41,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,857.38 : 100,249.08 = 27,442.24 : x
  2. Step 2: Convert to fraction form
    66,857.38/100,249.08 = 27,442.24/x
  3. Step 3: Cross multiply
    66,857.38x = 100,249.08 × 27,442.24
  4. Step 4: Simplify right side
    66,857.38x = 2,751,059,313.14
  5. Step 5: Solve for x
    x = 2,751,059,313.14/66,857.38
  6. Step 6: Final answer
    x = 41,148.18

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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.