Home / 31,968.30-47,952.45-11,193.90

Finding the Fourth Proportional to 31,968.30, 47,952.45 and 11,193.90

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Solution

The fourth proportional to 31,968.30, 47,952.45 and 11,193.90 is: 16,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968.30 : 47,952.45 = 11,193.90 : x
  2. Step 2: Convert to fraction form
    31,968.30/47,952.45 = 11,193.90/x
  3. Step 3: Cross multiply
    31,968.30x = 47,952.45 × 11,193.90
  4. Step 4: Simplify right side
    31,968.30x = 536,774,930.06
  5. Step 5: Solve for x
    x = 536,774,930.06/31,968.30
  6. Step 6: Final answer
    x = 16,790.85

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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.