Home / 41,881.29-62,824.29-13,420.72

Finding the Fourth Proportional to 41,881.29, 62,824.29 and 13,420.72

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Solution

The fourth proportional to 41,881.29, 62,824.29 and 13,420.72 is: 20,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,881.29 : 62,824.29 = 13,420.72 : x
  2. Step 2: Convert to fraction form
    41,881.29/62,824.29 = 13,420.72/x
  3. Step 3: Cross multiply
    41,881.29x = 62,824.29 × 13,420.72
  4. Step 4: Simplify right side
    41,881.29x = 843,147,205.29
  5. Step 5: Solve for x
    x = 843,147,205.29/41,881.29
  6. Step 6: Final answer
    x = 20,131.83

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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.