Home / 43,321.27-64,984.21-13,741.38

Finding the Fourth Proportional to 43,321.27, 64,984.21 and 13,741.38

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Solution

The fourth proportional to 43,321.27, 64,984.21 and 13,741.38 is: 20,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,321.27 : 64,984.21 = 13,741.38 : x
  2. Step 2: Convert to fraction form
    43,321.27/64,984.21 = 13,741.38/x
  3. Step 3: Cross multiply
    43,321.27x = 64,984.21 × 13,741.38
  4. Step 4: Simplify right side
    43,321.27x = 892,972,723.61
  5. Step 5: Solve for x
    x = 892,972,723.61/43,321.27
  6. Step 6: Final answer
    x = 20,612.80

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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.