Home / 34,857.78-48,095.97-19,749.12

Finding the Fourth Proportional to 34,857.78, 48,095.97 and 19,749.12

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Solution

The fourth proportional to 34,857.78, 48,095.97 and 19,749.12 is: 27,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,857.78 : 48,095.97 = 19,749.12 : x
  2. Step 2: Convert to fraction form
    34,857.78/48,095.97 = 19,749.12/x
  3. Step 3: Cross multiply
    34,857.78x = 48,095.97 × 19,749.12
  4. Step 4: Simplify right side
    34,857.78x = 949,853,083.05
  5. Step 5: Solve for x
    x = 949,853,083.05/34,857.78
  6. Step 6: Final answer
    x = 27,249.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.