Home / 31,263.20-43,143.23-17,116.04

Finding the Fourth Proportional to 31,263.20, 43,143.23 and 17,116.04

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Solution

The fourth proportional to 31,263.20, 43,143.23 and 17,116.04 is: 23,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.20 : 43,143.23 = 17,116.04 : x
  2. Step 2: Convert to fraction form
    31,263.20/43,143.23 = 17,116.04/x
  3. Step 3: Cross multiply
    31,263.20x = 43,143.23 × 17,116.04
  4. Step 4: Simplify right side
    31,263.20x = 738,441,401.06
  5. Step 5: Solve for x
    x = 738,441,401.06/31,263.20
  6. Step 6: Final answer
    x = 23,620.15

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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.