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Finding the Fourth Proportional to 54,600.30, 81,900.41 and 15,157.40

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Solution

The fourth proportional to 54,600.30, 81,900.41 and 15,157.40 is: 22,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,600.30 : 81,900.41 = 15,157.40 : x
  2. Step 2: Convert to fraction form
    54,600.30/81,900.41 = 15,157.40/x
  3. Step 3: Cross multiply
    54,600.30x = 81,900.41 × 15,157.40
  4. Step 4: Simplify right side
    54,600.30x = 1,241,396,789.24
  5. Step 5: Solve for x
    x = 1,241,396,789.24/54,600.30
  6. Step 6: Final answer
    x = 22,736.08

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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.