Home / 31,903.43-47,858.42-12,198.56

Finding the Fourth Proportional to 31,903.43, 47,858.42 and 12,198.56

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Solution

The fourth proportional to 31,903.43, 47,858.42 and 12,198.56 is: 18,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.43 : 47,858.42 = 12,198.56 : x
  2. Step 2: Convert to fraction form
    31,903.43/47,858.42 = 12,198.56/x
  3. Step 3: Cross multiply
    31,903.43x = 47,858.42 × 12,198.56
  4. Step 4: Simplify right side
    31,903.43x = 583,803,627.24
  5. Step 5: Solve for x
    x = 583,803,627.24/31,903.43
  6. Step 6: Final answer
    x = 18,299.09

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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.