Home / 31,917.06-47,885.97-15,274.98

Finding the Fourth Proportional to 31,917.06, 47,885.97 and 15,274.98

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Solution

The fourth proportional to 31,917.06, 47,885.97 and 15,274.98 is: 22,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917.06 : 47,885.97 = 15,274.98 : x
  2. Step 2: Convert to fraction form
    31,917.06/47,885.97 = 15,274.98/x
  3. Step 3: Cross multiply
    31,917.06x = 47,885.97 × 15,274.98
  4. Step 4: Simplify right side
    31,917.06x = 731,457,234.03
  5. Step 5: Solve for x
    x = 731,457,234.03/31,917.06
  6. Step 6: Final answer
    x = 22,917.44

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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.