Home / 43,446.72-65,181.60-15,748.80

Finding the Fourth Proportional to 43,446.72, 65,181.60 and 15,748.80

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Solution

The fourth proportional to 43,446.72, 65,181.60 and 15,748.80 is: 23,627.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,446.72 : 65,181.60 = 15,748.80 : x
  2. Step 2: Convert to fraction form
    43,446.72/65,181.60 = 15,748.80/x
  3. Step 3: Cross multiply
    43,446.72x = 65,181.60 × 15,748.80
  4. Step 4: Simplify right side
    43,446.72x = 1,026,531,982.08
  5. Step 5: Solve for x
    x = 1,026,531,982.08/43,446.72
  6. Step 6: Final answer
    x = 23,627.38

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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.