Home / 31,974.73-47,966.46-10,909.11

Finding the Fourth Proportional to 31,974.73, 47,966.46 and 10,909.11

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Solution

The fourth proportional to 31,974.73, 47,966.46 and 10,909.11 is: 16,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.73 : 47,966.46 = 10,909.11 : x
  2. Step 2: Convert to fraction form
    31,974.73/47,966.46 = 10,909.11/x
  3. Step 3: Cross multiply
    31,974.73x = 47,966.46 × 10,909.11
  4. Step 4: Simplify right side
    31,974.73x = 523,271,388.45
  5. Step 5: Solve for x
    x = 523,271,388.45/31,974.73
  6. Step 6: Final answer
    x = 16,365.16

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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.