Home / 43,636.62-65,456.35-12,049.05

Finding the Fourth Proportional to 43,636.62, 65,456.35 and 12,049.05

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Solution

The fourth proportional to 43,636.62, 65,456.35 and 12,049.05 is: 18,073.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,636.62 : 65,456.35 = 12,049.05 : x
  2. Step 2: Convert to fraction form
    43,636.62/65,456.35 = 12,049.05/x
  3. Step 3: Cross multiply
    43,636.62x = 65,456.35 × 12,049.05
  4. Step 4: Simplify right side
    43,636.62x = 788,687,117.08
  5. Step 5: Solve for x
    x = 788,687,117.08/43,636.62
  6. Step 6: Final answer
    x = 18,073.97

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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.