Home / 43,474.48-65,219.04-13,481.80

Finding the Fourth Proportional to 43,474.48, 65,219.04 and 13,481.80

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Solution

The fourth proportional to 43,474.48, 65,219.04 and 13,481.80 is: 20,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,474.48 : 65,219.04 = 13,481.80 : x
  2. Step 2: Convert to fraction form
    43,474.48/65,219.04 = 13,481.80/x
  3. Step 3: Cross multiply
    43,474.48x = 65,219.04 × 13,481.80
  4. Step 4: Simplify right side
    43,474.48x = 879,269,890.42
  5. Step 5: Solve for x
    x = 879,269,890.42/43,474.48
  6. Step 6: Final answer
    x = 20,224.97

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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.