Home / 54,540.11-81,823.33-18,996.23

Finding the Fourth Proportional to 54,540.11, 81,823.33 and 18,996.23

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Solution

The fourth proportional to 54,540.11, 81,823.33 and 18,996.23 is: 28,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,540.11 : 81,823.33 = 18,996.23 : x
  2. Step 2: Convert to fraction form
    54,540.11/81,823.33 = 18,996.23/x
  3. Step 3: Cross multiply
    54,540.11x = 81,823.33 × 18,996.23
  4. Step 4: Simplify right side
    54,540.11x = 1,554,334,796.05
  5. Step 5: Solve for x
    x = 1,554,334,796.05/54,540.11
  6. Step 6: Final answer
    x = 28,498.93

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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.