Home / 36,245.60-50,021.08-20,330.94

Finding the Fourth Proportional to 36,245.60, 50,021.08 and 20,330.94

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Solution

The fourth proportional to 36,245.60, 50,021.08 and 20,330.94 is: 28,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,245.60 : 50,021.08 = 20,330.94 : x
  2. Step 2: Convert to fraction form
    36,245.60/50,021.08 = 20,330.94/x
  3. Step 3: Cross multiply
    36,245.60x = 50,021.08 × 20,330.94
  4. Step 4: Simplify right side
    36,245.60x = 1,016,975,576.22
  5. Step 5: Solve for x
    x = 1,016,975,576.22/36,245.60
  6. Step 6: Final answer
    x = 28,057.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.