Home / 31,523.47-47,286.83-8,150.11

Finding the Fourth Proportional to 31,523.47, 47,286.83 and 8,150.11

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Solution

The fourth proportional to 31,523.47, 47,286.83 and 8,150.11 is: 12,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,523.47 : 47,286.83 = 8,150.11 : x
  2. Step 2: Convert to fraction form
    31,523.47/47,286.83 = 8,150.11/x
  3. Step 3: Cross multiply
    31,523.47x = 47,286.83 × 8,150.11
  4. Step 4: Simplify right side
    31,523.47x = 385,392,866.05
  5. Step 5: Solve for x
    x = 385,392,866.05/31,523.47
  6. Step 6: Final answer
    x = 12,225.59

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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.