Home / 54,936.20-82,404.30-13,383.20

Finding the Fourth Proportional to 54,936.20, 82,404.30 and 13,383.20

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Solution

The fourth proportional to 54,936.20, 82,404.30 and 13,383.20 is: 20,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,936.20 : 82,404.30 = 13,383.20 : x
  2. Step 2: Convert to fraction form
    54,936.20/82,404.30 = 13,383.20/x
  3. Step 3: Cross multiply
    54,936.20x = 82,404.30 × 13,383.20
  4. Step 4: Simplify right side
    54,936.20x = 1,102,833,227.76
  5. Step 5: Solve for x
    x = 1,102,833,227.76/54,936.20
  6. Step 6: Final answer
    x = 20,074.80

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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.