Home / 54,589.89-81,884.83-31,199.92

Finding the Fourth Proportional to 54,589.89, 81,884.83 and 31,199.92

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Solution

The fourth proportional to 54,589.89, 81,884.83 and 31,199.92 is: 46,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,589.89 : 81,884.83 = 31,199.92 : x
  2. Step 2: Convert to fraction form
    54,589.89/81,884.83 = 31,199.92/x
  3. Step 3: Cross multiply
    54,589.89x = 81,884.83 × 31,199.92
  4. Step 4: Simplify right side
    54,589.89x = 2,554,800,145.21
  5. Step 5: Solve for x
    x = 2,554,800,145.21/54,589.89
  6. Step 6: Final answer
    x = 46,799.88

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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.