Home / 40,513.05-60,769.58-20,793.60

Finding the Fourth Proportional to 40,513.05, 60,769.58 and 20,793.60

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Solution

The fourth proportional to 40,513.05, 60,769.58 and 20,793.60 is: 31,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,513.05 : 60,769.58 = 20,793.60 : x
  2. Step 2: Convert to fraction form
    40,513.05/60,769.58 = 20,793.60/x
  3. Step 3: Cross multiply
    40,513.05x = 60,769.58 × 20,793.60
  4. Step 4: Simplify right side
    40,513.05x = 1,263,618,234.72
  5. Step 5: Solve for x
    x = 1,263,618,234.72/40,513.05
  6. Step 6: Final answer
    x = 31,190.40

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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.