Home / 47,914.38-71,900.73-18,335.21

Finding the Fourth Proportional to 47,914.38, 71,900.73 and 18,335.21

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Solution

The fourth proportional to 47,914.38, 71,900.73 and 18,335.21 is: 27,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,914.38 : 71,900.73 = 18,335.21 : x
  2. Step 2: Convert to fraction form
    47,914.38/71,900.73 = 18,335.21/x
  3. Step 3: Cross multiply
    47,914.38x = 71,900.73 × 18,335.21
  4. Step 4: Simplify right side
    47,914.38x = 1,318,314,624.20
  5. Step 5: Solve for x
    x = 1,318,314,624.20/47,914.38
  6. Step 6: Final answer
    x = 27,513.97

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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.