Home / 31,961.84-47,942.72-8,588.28

Finding the Fourth Proportional to 31,961.84, 47,942.72 and 8,588.28

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Solution

The fourth proportional to 31,961.84, 47,942.72 and 8,588.28 is: 12,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.84 : 47,942.72 = 8,588.28 : x
  2. Step 2: Convert to fraction form
    31,961.84/47,942.72 = 8,588.28/x
  3. Step 3: Cross multiply
    31,961.84x = 47,942.72 × 8,588.28
  4. Step 4: Simplify right side
    31,961.84x = 411,745,460.38
  5. Step 5: Solve for x
    x = 411,745,460.38/31,961.84
  6. Step 6: Final answer
    x = 12,882.41

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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.