Home / 20,043.81-30,049.72-9,508.55

Finding the Fourth Proportional to 20,043.81, 30,049.72 and 9,508.55

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Solution

The fourth proportional to 20,043.81, 30,049.72 and 9,508.55 is: 14,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.81 : 30,049.72 = 9,508.55 : x
  2. Step 2: Convert to fraction form
    20,043.81/30,049.72 = 9,508.55/x
  3. Step 3: Cross multiply
    20,043.81x = 30,049.72 × 9,508.55
  4. Step 4: Simplify right side
    20,043.81x = 285,729,091.09
  5. Step 5: Solve for x
    x = 285,729,091.09/20,043.81
  6. Step 6: Final answer
    x = 14,255.23

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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.