Home / 66,626.22-91,942.62-36,411.60

Finding the Fourth Proportional to 66,626.22, 91,942.62 and 36,411.60

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Solution

The fourth proportional to 66,626.22, 91,942.62 and 36,411.60 is: 50,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,626.22 : 91,942.62 = 36,411.60 : x
  2. Step 2: Convert to fraction form
    66,626.22/91,942.62 = 36,411.60/x
  3. Step 3: Cross multiply
    66,626.22x = 91,942.62 × 36,411.60
  4. Step 4: Simplify right side
    66,626.22x = 3,347,777,902.39
  5. Step 5: Solve for x
    x = 3,347,777,902.39/66,626.22
  6. Step 6: Final answer
    x = 50,247.15

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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.