Home / 31,263.14-43,143.13-17,116.02

Finding the Fourth Proportional to 31,263.14, 43,143.13 and 17,116.02

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Solution

The fourth proportional to 31,263.14, 43,143.13 and 17,116.02 is: 23,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.14 : 43,143.13 = 17,116.02 : x
  2. Step 2: Convert to fraction form
    31,263.14/43,143.13 = 17,116.02/x
  3. Step 3: Cross multiply
    31,263.14x = 43,143.13 × 17,116.02
  4. Step 4: Simplify right side
    31,263.14x = 738,438,675.94
  5. Step 5: Solve for x
    x = 738,438,675.94/31,263.14
  6. Step 6: Final answer
    x = 23,620.11

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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.