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Finding the Fourth Proportional to 54,660.57, 81,993.02 and 15,221.13

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Solution

The fourth proportional to 54,660.57, 81,993.02 and 15,221.13 is: 22,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,660.57 : 81,993.02 = 15,221.13 : x
  2. Step 2: Convert to fraction form
    54,660.57/81,993.02 = 15,221.13/x
  3. Step 3: Cross multiply
    54,660.57x = 81,993.02 × 15,221.13
  4. Step 4: Simplify right side
    54,660.57x = 1,248,026,340.41
  5. Step 5: Solve for x
    x = 1,248,026,340.41/54,660.57
  6. Step 6: Final answer
    x = 22,832.30

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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.