Home / 54,982.02-82,473.22-13,429.02

Finding the Fourth Proportional to 54,982.02, 82,473.22 and 13,429.02

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Solution

The fourth proportional to 54,982.02, 82,473.22 and 13,429.02 is: 20,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,982.02 : 82,473.22 = 13,429.02 : x
  2. Step 2: Convert to fraction form
    54,982.02/82,473.22 = 13,429.02/x
  3. Step 3: Cross multiply
    54,982.02x = 82,473.22 × 13,429.02
  4. Step 4: Simplify right side
    54,982.02x = 1,107,534,520.84
  5. Step 5: Solve for x
    x = 1,107,534,520.84/54,982.02
  6. Step 6: Final answer
    x = 20,143.58

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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.