Home / 31,519.50-47,247.33-20,433.24

Finding the Fourth Proportional to 31,519.50, 47,247.33 and 20,433.24

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Solution

The fourth proportional to 31,519.50, 47,247.33 and 20,433.24 is: 30,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.50 : 47,247.33 = 20,433.24 : x
  2. Step 2: Convert to fraction form
    31,519.50/47,247.33 = 20,433.24/x
  3. Step 3: Cross multiply
    31,519.50x = 47,247.33 × 20,433.24
  4. Step 4: Simplify right side
    31,519.50x = 965,416,033.25
  5. Step 5: Solve for x
    x = 965,416,033.25/31,519.50
  6. Step 6: Final answer
    x = 30,629.17

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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.