Home / 41,978.49-62,982.32-18,621.33

Finding the Fourth Proportional to 41,978.49, 62,982.32 and 18,621.33

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Solution

The fourth proportional to 41,978.49, 62,982.32 and 18,621.33 is: 27,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,978.49 : 62,982.32 = 18,621.33 : x
  2. Step 2: Convert to fraction form
    41,978.49/62,982.32 = 18,621.33/x
  3. Step 3: Cross multiply
    41,978.49x = 62,982.32 × 18,621.33
  4. Step 4: Simplify right side
    41,978.49x = 1,172,814,471.78
  5. Step 5: Solve for x
    x = 1,172,814,471.78/41,978.49
  6. Step 6: Final answer
    x = 27,938.46

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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.