Home / 31,920.75-47,923.52-27,270.63

Finding the Fourth Proportional to 31,920.75, 47,923.52 and 27,270.63

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Solution

The fourth proportional to 31,920.75, 47,923.52 and 27,270.63 is: 40,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920.75 : 47,923.52 = 27,270.63 : x
  2. Step 2: Convert to fraction form
    31,920.75/47,923.52 = 27,270.63/x
  3. Step 3: Cross multiply
    31,920.75x = 47,923.52 × 27,270.63
  4. Step 4: Simplify right side
    31,920.75x = 1,306,904,582.22
  5. Step 5: Solve for x
    x = 1,306,904,582.22/31,920.75
  6. Step 6: Final answer
    x = 40,942.16

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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.