Home / 54,298.20-81,451.35-19,233.30

Finding the Fourth Proportional to 54,298.20, 81,451.35 and 19,233.30

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Solution

The fourth proportional to 54,298.20, 81,451.35 and 19,233.30 is: 28,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,298.20 : 81,451.35 = 19,233.30 : x
  2. Step 2: Convert to fraction form
    54,298.20/81,451.35 = 19,233.30/x
  3. Step 3: Cross multiply
    54,298.20x = 81,451.35 × 19,233.30
  4. Step 4: Simplify right side
    54,298.20x = 1,566,578,249.96
  5. Step 5: Solve for x
    x = 1,566,578,249.96/54,298.20
  6. Step 6: Final answer
    x = 28,851.38

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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.