Home / 40,944.52-61,414.62-20,161

Finding the Fourth Proportional to 40,944.52, 61,414.62 and 20,161

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Solution

The fourth proportional to 40,944.52, 61,414.62 and 20,161 is: 30,240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,944.52 : 61,414.62 = 20,161 : x
  2. Step 2: Convert to fraction form
    40,944.52/61,414.62 = 20,161/x
  3. Step 3: Cross multiply
    40,944.52x = 61,414.62 × 20,161
  4. Step 4: Simplify right side
    40,944.52x = 1,238,180,153.82
  5. Step 5: Solve for x
    x = 1,238,180,153.82/40,944.52
  6. Step 6: Final answer
    x = 30,240.44

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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.