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Finding the Fourth Proportional to 54,666.12, 82,002.12 and 17,229.09

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Solution

The fourth proportional to 54,666.12, 82,002.12 and 17,229.09 is: 25,844.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,666.12 : 82,002.12 = 17,229.09 : x
  2. Step 2: Convert to fraction form
    54,666.12/82,002.12 = 17,229.09/x
  3. Step 3: Cross multiply
    54,666.12x = 82,002.12 × 17,229.09
  4. Step 4: Simplify right side
    54,666.12x = 1,412,821,905.67
  5. Step 5: Solve for x
    x = 1,412,821,905.67/54,666.12
  6. Step 6: Final answer
    x = 25,844.56

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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.