Home / 31,961.18-47,942.02-9,774.96

Finding the Fourth Proportional to 31,961.18, 47,942.02 and 9,774.96

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Solution

The fourth proportional to 31,961.18, 47,942.02 and 9,774.96 is: 14,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.18 : 47,942.02 = 9,774.96 : x
  2. Step 2: Convert to fraction form
    31,961.18/47,942.02 = 9,774.96/x
  3. Step 3: Cross multiply
    31,961.18x = 47,942.02 × 9,774.96
  4. Step 4: Simplify right side
    31,961.18x = 468,631,327.82
  5. Step 5: Solve for x
    x = 468,631,327.82/31,961.18
  6. Step 6: Final answer
    x = 14,662.52

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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.