Home / 31,961.70-47,934.85-9,775.26

Finding the Fourth Proportional to 31,961.70, 47,934.85 and 9,775.26

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Solution

The fourth proportional to 31,961.70, 47,934.85 and 9,775.26 is: 14,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.70 : 47,934.85 = 9,775.26 : x
  2. Step 2: Convert to fraction form
    31,961.70/47,934.85 = 9,775.26/x
  3. Step 3: Cross multiply
    31,961.70x = 47,934.85 × 9,775.26
  4. Step 4: Simplify right side
    31,961.70x = 468,575,832.11
  5. Step 5: Solve for x
    x = 468,575,832.11/31,961.70
  6. Step 6: Final answer
    x = 14,660.54

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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.