Home / 47,765.14-71,647.45-12,226.39

Finding the Fourth Proportional to 47,765.14, 71,647.45 and 12,226.39

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Solution

The fourth proportional to 47,765.14, 71,647.45 and 12,226.39 is: 18,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,765.14 : 71,647.45 = 12,226.39 : x
  2. Step 2: Convert to fraction form
    47,765.14/71,647.45 = 12,226.39/x
  3. Step 3: Cross multiply
    47,765.14x = 71,647.45 × 12,226.39
  4. Step 4: Simplify right side
    47,765.14x = 875,989,456.52
  5. Step 5: Solve for x
    x = 875,989,456.52/47,765.14
  6. Step 6: Final answer
    x = 18,339.52

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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.