Home / 31,680.24-47,530.92-10,622.38

Finding the Fourth Proportional to 31,680.24, 47,530.92 and 10,622.38

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Solution

The fourth proportional to 31,680.24, 47,530.92 and 10,622.38 is: 15,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,680.24 : 47,530.92 = 10,622.38 : x
  2. Step 2: Convert to fraction form
    31,680.24/47,530.92 = 10,622.38/x
  3. Step 3: Cross multiply
    31,680.24x = 47,530.92 × 10,622.38
  4. Step 4: Simplify right side
    31,680.24x = 504,891,493.99
  5. Step 5: Solve for x
    x = 504,891,493.99/31,680.24
  6. Step 6: Final answer
    x = 15,937.11

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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.