Home / 61,134.67-91,687.42-31,537.27

Finding the Fourth Proportional to 61,134.67, 91,687.42 and 31,537.27

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Solution

The fourth proportional to 61,134.67, 91,687.42 and 31,537.27 is: 47,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,134.67 : 91,687.42 = 31,537.27 : x
  2. Step 2: Convert to fraction form
    61,134.67/91,687.42 = 31,537.27/x
  3. Step 3: Cross multiply
    61,134.67x = 91,687.42 × 31,537.27
  4. Step 4: Simplify right side
    61,134.67x = 2,891,570,920.14
  5. Step 5: Solve for x
    x = 2,891,570,920.14/61,134.67
  6. Step 6: Final answer
    x = 47,298.38

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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.