Home / 60,942.82-91,416.27-20,961.42

Finding the Fourth Proportional to 60,942.82, 91,416.27 and 20,961.42

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Solution

The fourth proportional to 60,942.82, 91,416.27 and 20,961.42 is: 31,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,942.82 : 91,416.27 = 20,961.42 : x
  2. Step 2: Convert to fraction form
    60,942.82/91,416.27 = 20,961.42/x
  3. Step 3: Cross multiply
    60,942.82x = 91,416.27 × 20,961.42
  4. Step 4: Simplify right side
    60,942.82x = 1,916,214,830.30
  5. Step 5: Solve for x
    x = 1,916,214,830.30/60,942.82
  6. Step 6: Final answer
    x = 31,442.83

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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.