Home / 47,730.34-71,589.90-12,672.70

Finding the Fourth Proportional to 47,730.34, 71,589.90 and 12,672.70

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Solution

The fourth proportional to 47,730.34, 71,589.90 and 12,672.70 is: 19,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,730.34 : 71,589.90 = 12,672.70 : x
  2. Step 2: Convert to fraction form
    47,730.34/71,589.90 = 12,672.70/x
  3. Step 3: Cross multiply
    47,730.34x = 71,589.90 × 12,672.70
  4. Step 4: Simplify right side
    47,730.34x = 907,237,325.73
  5. Step 5: Solve for x
    x = 907,237,325.73/47,730.34
  6. Step 6: Final answer
    x = 19,007.56

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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.