Home / 54,427.56-75,104.22-30,556.86

Finding the Fourth Proportional to 54,427.56, 75,104.22 and 30,556.86

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Solution

The fourth proportional to 54,427.56, 75,104.22 and 30,556.86 is: 42,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,427.56 : 75,104.22 = 30,556.86 : x
  2. Step 2: Convert to fraction form
    54,427.56/75,104.22 = 30,556.86/x
  3. Step 3: Cross multiply
    54,427.56x = 75,104.22 × 30,556.86
  4. Step 4: Simplify right side
    54,427.56x = 2,294,949,135.95
  5. Step 5: Solve for x
    x = 2,294,949,135.95/54,427.56
  6. Step 6: Final answer
    x = 42,165.20

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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.