Home / 47,650.44-71,478.22-12,589.14

Finding the Fourth Proportional to 47,650.44, 71,478.22 and 12,589.14

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Solution

The fourth proportional to 47,650.44, 71,478.22 and 12,589.14 is: 18,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,650.44 : 71,478.22 = 12,589.14 : x
  2. Step 2: Convert to fraction form
    47,650.44/71,478.22 = 12,589.14/x
  3. Step 3: Cross multiply
    47,650.44x = 71,478.22 × 12,589.14
  4. Step 4: Simplify right side
    47,650.44x = 899,849,318.53
  5. Step 5: Solve for x
    x = 899,849,318.53/47,650.44
  6. Step 6: Final answer
    x = 18,884.39

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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.