Home / 47,453.34-71,180.70-12,393

Finding the Fourth Proportional to 47,453.34, 71,180.70 and 12,393

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Solution

The fourth proportional to 47,453.34, 71,180.70 and 12,393 is: 18,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,453.34 : 71,180.70 = 12,393 : x
  2. Step 2: Convert to fraction form
    47,453.34/71,180.70 = 12,393/x
  3. Step 3: Cross multiply
    47,453.34x = 71,180.70 × 12,393
  4. Step 4: Simplify right side
    47,453.34x = 882,142,403.48
  5. Step 5: Solve for x
    x = 882,142,403.48/47,453.34
  6. Step 6: Final answer
    x = 18,589.68

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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.