Home / 54,141.42-81,206.82-16,691.38

Finding the Fourth Proportional to 54,141.42, 81,206.82 and 16,691.38

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Solution

The fourth proportional to 54,141.42, 81,206.82 and 16,691.38 is: 25,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.42 : 81,206.82 = 16,691.38 : x
  2. Step 2: Convert to fraction form
    54,141.42/81,206.82 = 16,691.38/x
  3. Step 3: Cross multiply
    54,141.42x = 81,206.82 × 16,691.38
  4. Step 4: Simplify right side
    54,141.42x = 1,355,453,688.19
  5. Step 5: Solve for x
    x = 1,355,453,688.19/54,141.42
  6. Step 6: Final answer
    x = 25,035.43

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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.