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Finding the Fourth Proportional to 54,055, 81,061.84 and 25,967.04

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Solution

The fourth proportional to 54,055, 81,061.84 and 25,967.04 is: 38,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,055 : 81,061.84 = 25,967.04 : x
  2. Step 2: Convert to fraction form
    54,055/81,061.84 = 25,967.04/x
  3. Step 3: Cross multiply
    54,055x = 81,061.84 × 25,967.04
  4. Step 4: Simplify right side
    54,055x = 2,104,936,041.75
  5. Step 5: Solve for x
    x = 2,104,936,041.75/54,055
  6. Step 6: Final answer
    x = 38,940.64

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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.