Home / 54,164.64-81,189.68-18,614.80

Finding the Fourth Proportional to 54,164.64, 81,189.68 and 18,614.80

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Solution

The fourth proportional to 54,164.64, 81,189.68 and 18,614.80 is: 27,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,164.64 : 81,189.68 = 18,614.80 : x
  2. Step 2: Convert to fraction form
    54,164.64/81,189.68 = 18,614.80/x
  3. Step 3: Cross multiply
    54,164.64x = 81,189.68 × 18,614.80
  4. Step 4: Simplify right side
    54,164.64x = 1,511,329,655.26
  5. Step 5: Solve for x
    x = 1,511,329,655.26/54,164.64
  6. Step 6: Final answer
    x = 27,902.51

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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.