Home / 54,051.22-81,076.83-18,982.68

Finding the Fourth Proportional to 54,051.22, 81,076.83 and 18,982.68

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Solution

The fourth proportional to 54,051.22, 81,076.83 and 18,982.68 is: 28,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,051.22 : 81,076.83 = 18,982.68 : x
  2. Step 2: Convert to fraction form
    54,051.22/81,076.83 = 18,982.68/x
  3. Step 3: Cross multiply
    54,051.22x = 81,076.83 × 18,982.68
  4. Step 4: Simplify right side
    54,051.22x = 1,539,055,519.30
  5. Step 5: Solve for x
    x = 1,539,055,519.30/54,051.22
  6. Step 6: Final answer
    x = 28,474.02

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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.