Home / 31,760.79-47,669.74-16,982.34

Finding the Fourth Proportional to 31,760.79, 47,669.74 and 16,982.34

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Solution

The fourth proportional to 31,760.79, 47,669.74 and 16,982.34 is: 25,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,760.79 : 47,669.74 = 16,982.34 : x
  2. Step 2: Convert to fraction form
    31,760.79/47,669.74 = 16,982.34/x
  3. Step 3: Cross multiply
    31,760.79x = 47,669.74 × 16,982.34
  4. Step 4: Simplify right side
    31,760.79x = 809,543,689.94
  5. Step 5: Solve for x
    x = 809,543,689.94/31,760.79
  6. Step 6: Final answer
    x = 25,488.78

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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.