Home / 20,697.41-31,046.39-5,906.32

Finding the Fourth Proportional to 20,697.41, 31,046.39 and 5,906.32

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Solution

The fourth proportional to 20,697.41, 31,046.39 and 5,906.32 is: 8,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697.41 : 31,046.39 = 5,906.32 : x
  2. Step 2: Convert to fraction form
    20,697.41/31,046.39 = 5,906.32/x
  3. Step 3: Cross multiply
    20,697.41x = 31,046.39 × 5,906.32
  4. Step 4: Simplify right side
    20,697.41x = 183,369,758.95
  5. Step 5: Solve for x
    x = 183,369,758.95/20,697.41
  6. Step 6: Final answer
    x = 8,859.55

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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.