Home / 39,940.43-55,117.96-22,035.95

Finding the Fourth Proportional to 39,940.43, 55,117.96 and 22,035.95

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Solution

The fourth proportional to 39,940.43, 55,117.96 and 22,035.95 is: 30,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.43 : 55,117.96 = 22,035.95 : x
  2. Step 2: Convert to fraction form
    39,940.43/55,117.96 = 22,035.95/x
  3. Step 3: Cross multiply
    39,940.43x = 55,117.96 × 22,035.95
  4. Step 4: Simplify right side
    39,940.43x = 1,214,576,920.67
  5. Step 5: Solve for x
    x = 1,214,576,920.67/39,940.43
  6. Step 6: Final answer
    x = 30,409.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.