Home / 31,131.83-42,960.17-17,706.35

Finding the Fourth Proportional to 31,131.83, 42,960.17 and 17,706.35

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Solution

The fourth proportional to 31,131.83, 42,960.17 and 17,706.35 is: 24,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131.83 : 42,960.17 = 17,706.35 : x
  2. Step 2: Convert to fraction form
    31,131.83/42,960.17 = 17,706.35/x
  3. Step 3: Cross multiply
    31,131.83x = 42,960.17 × 17,706.35
  4. Step 4: Simplify right side
    31,131.83x = 760,667,591.28
  5. Step 5: Solve for x
    x = 760,667,591.28/31,131.83
  6. Step 6: Final answer
    x = 24,433.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.