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Finding the Fourth Proportional to 63,735.56, 87,957.48 and 35,443.28

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Solution

The fourth proportional to 63,735.56, 87,957.48 and 35,443.28 is: 48,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,735.56 : 87,957.48 = 35,443.28 : x
  2. Step 2: Convert to fraction form
    63,735.56/87,957.48 = 35,443.28/x
  3. Step 3: Cross multiply
    63,735.56x = 87,957.48 × 35,443.28
  4. Step 4: Simplify right side
    63,735.56x = 3,117,501,591.73
  5. Step 5: Solve for x
    x = 3,117,501,591.73/63,735.56
  6. Step 6: Final answer
    x = 48,913.07

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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.