Home / 47,519.42-65,517.19-30,493.62

Finding the Fourth Proportional to 47,519.42, 65,517.19 and 30,493.62

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Solution

The fourth proportional to 47,519.42, 65,517.19 and 30,493.62 is: 42,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,519.42 : 65,517.19 = 30,493.62 : x
  2. Step 2: Convert to fraction form
    47,519.42/65,517.19 = 30,493.62/x
  3. Step 3: Cross multiply
    47,519.42x = 65,517.19 × 30,493.62
  4. Step 4: Simplify right side
    47,519.42x = 1,997,856,219.09
  5. Step 5: Solve for x
    x = 1,997,856,219.09/47,519.42
  6. Step 6: Final answer
    x = 42,042.95

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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.