Home / 53,755.26-74,171.43-31,394.94

Finding the Fourth Proportional to 53,755.26, 74,171.43 and 31,394.94

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Solution

The fourth proportional to 53,755.26, 74,171.43 and 31,394.94 is: 43,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,755.26 : 74,171.43 = 31,394.94 : x
  2. Step 2: Convert to fraction form
    53,755.26/74,171.43 = 31,394.94/x
  3. Step 3: Cross multiply
    53,755.26x = 74,171.43 × 31,394.94
  4. Step 4: Simplify right side
    53,755.26x = 2,328,607,594.56
  5. Step 5: Solve for x
    x = 2,328,607,594.56/53,755.26
  6. Step 6: Final answer
    x = 43,318.69

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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.