Home / 69,935.22-104,940.43-30,489.95

Finding the Fourth Proportional to 69,935.22, 104,940.43 and 30,489.95

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Solution

The fourth proportional to 69,935.22, 104,940.43 and 30,489.95 is: 45,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,935.22 : 104,940.43 = 30,489.95 : x
  2. Step 2: Convert to fraction form
    69,935.22/104,940.43 = 30,489.95/x
  3. Step 3: Cross multiply
    69,935.22x = 104,940.43 × 30,489.95
  4. Step 4: Simplify right side
    69,935.22x = 3,199,628,649.80
  5. Step 5: Solve for x
    x = 3,199,628,649.80/69,935.22
  6. Step 6: Final answer
    x = 45,751.32

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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.