Home / 31,984.32-47,942.96-17,923.73

Finding the Fourth Proportional to 31,984.32, 47,942.96 and 17,923.73

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Solution

The fourth proportional to 31,984.32, 47,942.96 and 17,923.73 is: 26,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.32 : 47,942.96 = 17,923.73 : x
  2. Step 2: Convert to fraction form
    31,984.32/47,942.96 = 17,923.73/x
  3. Step 3: Cross multiply
    31,984.32x = 47,942.96 × 17,923.73
  4. Step 4: Simplify right side
    31,984.32x = 859,316,670.44
  5. Step 5: Solve for x
    x = 859,316,670.44/31,984.32
  6. Step 6: Final answer
    x = 26,866.81

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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.