Home / 43,636.44-65,453.04-12,471.60

Finding the Fourth Proportional to 43,636.44, 65,453.04 and 12,471.60

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Solution

The fourth proportional to 43,636.44, 65,453.04 and 12,471.60 is: 18,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,636.44 : 65,453.04 = 12,471.60 : x
  2. Step 2: Convert to fraction form
    43,636.44/65,453.04 = 12,471.60/x
  3. Step 3: Cross multiply
    43,636.44x = 65,453.04 × 12,471.60
  4. Step 4: Simplify right side
    43,636.44x = 816,304,133.66
  5. Step 5: Solve for x
    x = 816,304,133.66/43,636.44
  6. Step 6: Final answer
    x = 18,706.94

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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.