Home / 54,203.10-74,793.75-30,327.90

Finding the Fourth Proportional to 54,203.10, 74,793.75 and 30,327.90

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Solution

The fourth proportional to 54,203.10, 74,793.75 and 30,327.90 is: 41,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,203.10 : 74,793.75 = 30,327.90 : x
  2. Step 2: Convert to fraction form
    54,203.10/74,793.75 = 30,327.90/x
  3. Step 3: Cross multiply
    54,203.10x = 74,793.75 × 30,327.90
  4. Step 4: Simplify right side
    54,203.10x = 2,268,337,370.63
  5. Step 5: Solve for x
    x = 2,268,337,370.63/54,203.10
  6. Step 6: Final answer
    x = 41,848.85

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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.