Home / 39,198.43-58,806.03-12,180.21

Finding the Fourth Proportional to 39,198.43, 58,806.03 and 12,180.21

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Solution

The fourth proportional to 39,198.43, 58,806.03 and 12,180.21 is: 18,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.43 : 58,806.03 = 12,180.21 : x
  2. Step 2: Convert to fraction form
    39,198.43/58,806.03 = 12,180.21/x
  3. Step 3: Cross multiply
    39,198.43x = 58,806.03 × 12,180.21
  4. Step 4: Simplify right side
    39,198.43x = 716,269,794.67
  5. Step 5: Solve for x
    x = 716,269,794.67/39,198.43
  6. Step 6: Final answer
    x = 18,272.92

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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.