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Finding the Fourth Proportional to 45,635, 62,976.36 and 25,763

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Solution

The fourth proportional to 45,635, 62,976.36 and 25,763 is: 35,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,635 : 62,976.36 = 25,763 : x
  2. Step 2: Convert to fraction form
    45,635/62,976.36 = 25,763/x
  3. Step 3: Cross multiply
    45,635x = 62,976.36 × 25,763
  4. Step 4: Simplify right side
    45,635x = 1,622,459,962.68
  5. Step 5: Solve for x
    x = 1,622,459,962.68/45,635
  6. Step 6: Final answer
    x = 35,552.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.