Home / 47,771.42-71,657.85-18,190.90

Finding the Fourth Proportional to 47,771.42, 71,657.85 and 18,190.90

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Solution

The fourth proportional to 47,771.42, 71,657.85 and 18,190.90 is: 27,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,771.42 : 71,657.85 = 18,190.90 : x
  2. Step 2: Convert to fraction form
    47,771.42/71,657.85 = 18,190.90/x
  3. Step 3: Cross multiply
    47,771.42x = 71,657.85 × 18,190.90
  4. Step 4: Simplify right side
    47,771.42x = 1,303,520,425.28
  5. Step 5: Solve for x
    x = 1,303,520,425.28/47,771.42
  6. Step 6: Final answer
    x = 27,286.62

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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.