Home / 31,660.31-47,448.61-16,636.73

Finding the Fourth Proportional to 31,660.31, 47,448.61 and 16,636.73

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Solution

The fourth proportional to 31,660.31, 47,448.61 and 16,636.73 is: 24,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,660.31 : 47,448.61 = 16,636.73 : x
  2. Step 2: Convert to fraction form
    31,660.31/47,448.61 = 16,636.73/x
  3. Step 3: Cross multiply
    31,660.31x = 47,448.61 × 16,636.73
  4. Step 4: Simplify right side
    31,660.31x = 789,389,630.26
  5. Step 5: Solve for x
    x = 789,389,630.26/31,660.31
  6. Step 6: Final answer
    x = 24,933.10

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1.5x scale

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.