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Finding the Fourth Proportional to 48,735.28, 73,102.92 and 11,799.28

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Solution

The fourth proportional to 48,735.28, 73,102.92 and 11,799.28 is: 17,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,735.28 : 73,102.92 = 11,799.28 : x
  2. Step 2: Convert to fraction form
    48,735.28/73,102.92 = 11,799.28/x
  3. Step 3: Cross multiply
    48,735.28x = 73,102.92 × 11,799.28
  4. Step 4: Simplify right side
    48,735.28x = 862,561,821.90
  5. Step 5: Solve for x
    x = 862,561,821.90/48,735.28
  6. Step 6: Final answer
    x = 17,698.92

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1.5x scale

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.