Home / 43,914.24-65,851.20-18,942.32

Finding the Fourth Proportional to 43,914.24, 65,851.20 and 18,942.32

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Solution

The fourth proportional to 43,914.24, 65,851.20 and 18,942.32 is: 28,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,914.24 : 65,851.20 = 18,942.32 : x
  2. Step 2: Convert to fraction form
    43,914.24/65,851.20 = 18,942.32/x
  3. Step 3: Cross multiply
    43,914.24x = 65,851.20 × 18,942.32
  4. Step 4: Simplify right side
    43,914.24x = 1,247,374,502.78
  5. Step 5: Solve for x
    x = 1,247,374,502.78/43,914.24
  6. Step 6: Final answer
    x = 28,404.78

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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.