Home / 54,388.44-75,057.24-30,516.72

Finding the Fourth Proportional to 54,388.44, 75,057.24 and 30,516.72

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Solution

The fourth proportional to 54,388.44, 75,057.24 and 30,516.72 is: 42,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,388.44 : 75,057.24 = 30,516.72 : x
  2. Step 2: Convert to fraction form
    54,388.44/75,057.24 = 30,516.72/x
  3. Step 3: Cross multiply
    54,388.44x = 75,057.24 × 30,516.72
  4. Step 4: Simplify right side
    54,388.44x = 2,290,500,777.05
  5. Step 5: Solve for x
    x = 2,290,500,777.05/54,388.44
  6. Step 6: Final answer
    x = 42,113.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.