Home / 31,961.64-47,948.94-11,199.72

Finding the Fourth Proportional to 31,961.64, 47,948.94 and 11,199.72

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Solution

The fourth proportional to 31,961.64, 47,948.94 and 11,199.72 is: 16,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.64 : 47,948.94 = 11,199.72 : x
  2. Step 2: Convert to fraction form
    31,961.64/47,948.94 = 11,199.72/x
  3. Step 3: Cross multiply
    31,961.64x = 47,948.94 × 11,199.72
  4. Step 4: Simplify right side
    31,961.64x = 537,014,702.30
  5. Step 5: Solve for x
    x = 537,014,702.30/31,961.64
  6. Step 6: Final answer
    x = 16,801.85

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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.