Home / 54,171.10-81,147.30-30,770.20

Finding the Fourth Proportional to 54,171.10, 81,147.30 and 30,770.20

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Solution

The fourth proportional to 54,171.10, 81,147.30 and 30,770.20 is: 46,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,171.10 : 81,147.30 = 30,770.20 : x
  2. Step 2: Convert to fraction form
    54,171.10/81,147.30 = 30,770.20/x
  3. Step 3: Cross multiply
    54,171.10x = 81,147.30 × 30,770.20
  4. Step 4: Simplify right side
    54,171.10x = 2,496,918,650.46
  5. Step 5: Solve for x
    x = 2,496,918,650.46/54,171.10
  6. Step 6: Final answer
    x = 46,093.19

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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.