Home / 57,792.19-86,695.24-20,344.49

Finding the Fourth Proportional to 57,792.19, 86,695.24 and 20,344.49

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Solution

The fourth proportional to 57,792.19, 86,695.24 and 20,344.49 is: 30,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,792.19 : 86,695.24 = 20,344.49 : x
  2. Step 2: Convert to fraction form
    57,792.19/86,695.24 = 20,344.49/x
  3. Step 3: Cross multiply
    57,792.19x = 86,695.24 × 20,344.49
  4. Step 4: Simplify right side
    57,792.19x = 1,763,770,443.23
  5. Step 5: Solve for x
    x = 1,763,770,443.23/57,792.19
  6. Step 6: Final answer
    x = 30,519.18

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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.