Home / 54,249.40-81,374.10-35,647.75

Finding the Fourth Proportional to 54,249.40, 81,374.10 and 35,647.75

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Solution

The fourth proportional to 54,249.40, 81,374.10 and 35,647.75 is: 53,471.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,249.40 : 81,374.10 = 35,647.75 : x
  2. Step 2: Convert to fraction form
    54,249.40/81,374.10 = 35,647.75/x
  3. Step 3: Cross multiply
    54,249.40x = 81,374.10 × 35,647.75
  4. Step 4: Simplify right side
    54,249.40x = 2,900,803,573.28
  5. Step 5: Solve for x
    x = 2,900,803,573.28/54,249.40
  6. Step 6: Final answer
    x = 53,471.63

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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.