Home / 54,942.20-82,419.32-17,493.47

Finding the Fourth Proportional to 54,942.20, 82,419.32 and 17,493.47

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Solution

The fourth proportional to 54,942.20, 82,419.32 and 17,493.47 is: 26,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.20 : 82,419.32 = 17,493.47 : x
  2. Step 2: Convert to fraction form
    54,942.20/82,419.32 = 17,493.47/x
  3. Step 3: Cross multiply
    54,942.20x = 82,419.32 × 17,493.47
  4. Step 4: Simplify right side
    54,942.20x = 1,441,799,901.84
  5. Step 5: Solve for x
    x = 1,441,799,901.84/54,942.20
  6. Step 6: Final answer
    x = 26,242.12

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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.