Home / 40,935.82-61,390.68-15,969.80

Finding the Fourth Proportional to 40,935.82, 61,390.68 and 15,969.80

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Solution

The fourth proportional to 40,935.82, 61,390.68 and 15,969.80 is: 23,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,935.82 : 61,390.68 = 15,969.80 : x
  2. Step 2: Convert to fraction form
    40,935.82/61,390.68 = 15,969.80/x
  3. Step 3: Cross multiply
    40,935.82x = 61,390.68 × 15,969.80
  4. Step 4: Simplify right side
    40,935.82x = 980,396,881.46
  5. Step 5: Solve for x
    x = 980,396,881.46/40,935.82
  6. Step 6: Final answer
    x = 23,949.61

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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.