Home / 40,736.97-61,163.78-30,239.37

Finding the Fourth Proportional to 40,736.97, 61,163.78 and 30,239.37

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Solution

The fourth proportional to 40,736.97, 61,163.78 and 30,239.37 is: 45,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,736.97 : 61,163.78 = 30,239.37 : x
  2. Step 2: Convert to fraction form
    40,736.97/61,163.78 = 30,239.37/x
  3. Step 3: Cross multiply
    40,736.97x = 61,163.78 × 30,239.37
  4. Step 4: Simplify right side
    40,736.97x = 1,849,554,022.82
  5. Step 5: Solve for x
    x = 1,849,554,022.82/40,736.97
  6. Step 6: Final answer
    x = 45,402.35

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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.