Home / 31,976.68-47,937.66-12,269.38

Finding the Fourth Proportional to 31,976.68, 47,937.66 and 12,269.38

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Solution

The fourth proportional to 31,976.68, 47,937.66 and 12,269.38 is: 18,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,976.68 : 47,937.66 = 12,269.38 : x
  2. Step 2: Convert to fraction form
    31,976.68/47,937.66 = 12,269.38/x
  3. Step 3: Cross multiply
    31,976.68x = 47,937.66 × 12,269.38
  4. Step 4: Simplify right side
    31,976.68x = 588,165,127.16
  5. Step 5: Solve for x
    x = 588,165,127.16/31,976.68
  6. Step 6: Final answer
    x = 18,393.57

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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.