Home / 41,982.96-62,975.20-12,401.36

Finding the Fourth Proportional to 41,982.96, 62,975.20 and 12,401.36

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Solution

The fourth proportional to 41,982.96, 62,975.20 and 12,401.36 is: 18,602.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,982.96 : 62,975.20 = 12,401.36 : x
  2. Step 2: Convert to fraction form
    41,982.96/62,975.20 = 12,401.36/x
  3. Step 3: Cross multiply
    41,982.96x = 62,975.20 × 12,401.36
  4. Step 4: Simplify right side
    41,982.96x = 780,978,126.27
  5. Step 5: Solve for x
    x = 780,978,126.27/41,982.96
  6. Step 6: Final answer
    x = 18,602.26

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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.