Home / 54,630.93-81,918.96-31,842.12

Finding the Fourth Proportional to 54,630.93, 81,918.96 and 31,842.12

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Solution

The fourth proportional to 54,630.93, 81,918.96 and 31,842.12 is: 47,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,630.93 : 81,918.96 = 31,842.12 : x
  2. Step 2: Convert to fraction form
    54,630.93/81,918.96 = 31,842.12/x
  3. Step 3: Cross multiply
    54,630.93x = 81,918.96 × 31,842.12
  4. Step 4: Simplify right side
    54,630.93x = 2,608,473,354.60
  5. Step 5: Solve for x
    x = 2,608,473,354.60/54,630.93
  6. Step 6: Final answer
    x = 47,747.19

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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.