Home / 54,150.96-81,226.44-35,678.64

Finding the Fourth Proportional to 54,150.96, 81,226.44 and 35,678.64

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Solution

The fourth proportional to 54,150.96, 81,226.44 and 35,678.64 is: 53,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,150.96 : 81,226.44 = 35,678.64 : x
  2. Step 2: Convert to fraction form
    54,150.96/81,226.44 = 35,678.64/x
  3. Step 3: Cross multiply
    54,150.96x = 81,226.44 × 35,678.64
  4. Step 4: Simplify right side
    54,150.96x = 2,898,048,911.24
  5. Step 5: Solve for x
    x = 2,898,048,911.24/54,150.96
  6. Step 6: Final answer
    x = 53,517.96

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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.