Home / 31,961.60-47,942.41-9,774.98

Finding the Fourth Proportional to 31,961.60, 47,942.41 and 9,774.98

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Solution

The fourth proportional to 31,961.60, 47,942.41 and 9,774.98 is: 14,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.60 : 47,942.41 = 9,774.98 : x
  2. Step 2: Convert to fraction form
    31,961.60/47,942.41 = 9,774.98/x
  3. Step 3: Cross multiply
    31,961.60x = 47,942.41 × 9,774.98
  4. Step 4: Simplify right side
    31,961.60x = 468,636,098.90
  5. Step 5: Solve for x
    x = 468,636,098.90/31,961.60
  6. Step 6: Final answer
    x = 14,662.47

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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.