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Finding the Fourth Proportional to 41,663.40, 62,478.30 and 15,362.30

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Solution

The fourth proportional to 41,663.40, 62,478.30 and 15,362.30 is: 23,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,663.40 : 62,478.30 = 15,362.30 : x
  2. Step 2: Convert to fraction form
    41,663.40/62,478.30 = 15,362.30/x
  3. Step 3: Cross multiply
    41,663.40x = 62,478.30 × 15,362.30
  4. Step 4: Simplify right side
    41,663.40x = 959,810,388.09
  5. Step 5: Solve for x
    x = 959,810,388.09/41,663.40
  6. Step 6: Final answer
    x = 23,037.26

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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.