Home / 54,342.96-81,394-41,770.40

Finding the Fourth Proportional to 54,342.96, 81,394 and 41,770.40

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Solution

The fourth proportional to 54,342.96, 81,394 and 41,770.40 is: 62,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,342.96 : 81,394 = 41,770.40 : x
  2. Step 2: Convert to fraction form
    54,342.96/81,394 = 41,770.40/x
  3. Step 3: Cross multiply
    54,342.96x = 81,394 × 41,770.40
  4. Step 4: Simplify right side
    54,342.96x = 3,399,859,937.60
  5. Step 5: Solve for x
    x = 3,399,859,937.60/54,342.96
  6. Step 6: Final answer
    x = 62,563.02

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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.