Home / 40,792.38-61,089.77-20,749.14

Finding the Fourth Proportional to 40,792.38, 61,089.77 and 20,749.14

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Solution

The fourth proportional to 40,792.38, 61,089.77 and 20,749.14 is: 31,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,792.38 : 61,089.77 = 20,749.14 : x
  2. Step 2: Convert to fraction form
    40,792.38/61,089.77 = 20,749.14/x
  3. Step 3: Cross multiply
    40,792.38x = 61,089.77 × 20,749.14
  4. Step 4: Simplify right side
    40,792.38x = 1,267,560,190.30
  5. Step 5: Solve for x
    x = 1,267,560,190.30/40,792.38
  6. Step 6: Final answer
    x = 31,073.46

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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.