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Finding the Fourth Proportional to 63,940.26, 88,237.54 and 35,647.76

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Solution

The fourth proportional to 63,940.26, 88,237.54 and 35,647.76 is: 49,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,940.26 : 88,237.54 = 35,647.76 : x
  2. Step 2: Convert to fraction form
    63,940.26/88,237.54 = 35,647.76/x
  3. Step 3: Cross multiply
    63,940.26x = 88,237.54 × 35,647.76
  4. Step 4: Simplify right side
    63,940.26x = 3,145,470,648.91
  5. Step 5: Solve for x
    x = 3,145,470,648.91/63,940.26
  6. Step 6: Final answer
    x = 49,193.90

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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.