Home / 43,783.20-65,631.60-17,452.80

Finding the Fourth Proportional to 43,783.20, 65,631.60 and 17,452.80

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Solution

The fourth proportional to 43,783.20, 65,631.60 and 17,452.80 is: 26,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,783.20 : 65,631.60 = 17,452.80 : x
  2. Step 2: Convert to fraction form
    43,783.20/65,631.60 = 17,452.80/x
  3. Step 3: Cross multiply
    43,783.20x = 65,631.60 × 17,452.80
  4. Step 4: Simplify right side
    43,783.20x = 1,145,455,188.48
  5. Step 5: Solve for x
    x = 1,145,455,188.48/43,783.20
  6. Step 6: Final answer
    x = 26,161.98

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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.