Home / 41,405.72-62,099.87-13,328.28

Finding the Fourth Proportional to 41,405.72, 62,099.87 and 13,328.28

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Solution

The fourth proportional to 41,405.72, 62,099.87 and 13,328.28 is: 19,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,405.72 : 62,099.87 = 13,328.28 : x
  2. Step 2: Convert to fraction form
    41,405.72/62,099.87 = 13,328.28/x
  3. Step 3: Cross multiply
    41,405.72x = 62,099.87 × 13,328.28
  4. Step 4: Simplify right side
    41,405.72x = 827,684,388.68
  5. Step 5: Solve for x
    x = 827,684,388.68/41,405.72
  6. Step 6: Final answer
    x = 19,989.62

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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.