Home / 34,731-47,951.82-21,506.04

Finding the Fourth Proportional to 34,731, 47,951.82 and 21,506.04

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Solution

The fourth proportional to 34,731, 47,951.82 and 21,506.04 is: 29,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,731 : 47,951.82 = 21,506.04 : x
  2. Step 2: Convert to fraction form
    34,731/47,951.82 = 21,506.04/x
  3. Step 3: Cross multiply
    34,731x = 47,951.82 × 21,506.04
  4. Step 4: Simplify right side
    34,731x = 1,031,253,758.99
  5. Step 5: Solve for x
    x = 1,031,253,758.99/34,731
  6. Step 6: Final answer
    x = 29,692.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.