Home / 47,965.76-71,907.62-18,404.81

Finding the Fourth Proportional to 47,965.76, 71,907.62 and 18,404.81

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Solution

The fourth proportional to 47,965.76, 71,907.62 and 18,404.81 is: 27,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,965.76 : 71,907.62 = 18,404.81 : x
  2. Step 2: Convert to fraction form
    47,965.76/71,907.62 = 18,404.81/x
  3. Step 3: Cross multiply
    47,965.76x = 71,907.62 × 18,404.81
  4. Step 4: Simplify right side
    47,965.76x = 1,323,446,171.40
  5. Step 5: Solve for x
    x = 1,323,446,171.40/47,965.76
  6. Step 6: Final answer
    x = 27,591.48

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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.