Home / 31,734.55-47,633.85-13,973.12

Finding the Fourth Proportional to 31,734.55, 47,633.85 and 13,973.12

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Solution

The fourth proportional to 31,734.55, 47,633.85 and 13,973.12 is: 20,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,734.55 : 47,633.85 = 13,973.12 : x
  2. Step 2: Convert to fraction form
    31,734.55/47,633.85 = 13,973.12/x
  3. Step 3: Cross multiply
    31,734.55x = 47,633.85 × 13,973.12
  4. Step 4: Simplify right side
    31,734.55x = 665,593,494.97
  5. Step 5: Solve for x
    x = 665,593,494.97/31,734.55
  6. Step 6: Final answer
    x = 20,973.78

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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.