Home / 41,778.39-62,634.71-20,703.95

Finding the Fourth Proportional to 41,778.39, 62,634.71 and 20,703.95

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Solution

The fourth proportional to 41,778.39, 62,634.71 and 20,703.95 is: 31,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,778.39 : 62,634.71 = 20,703.95 : x
  2. Step 2: Convert to fraction form
    41,778.39/62,634.71 = 20,703.95/x
  3. Step 3: Cross multiply
    41,778.39x = 62,634.71 × 20,703.95
  4. Step 4: Simplify right side
    41,778.39x = 1,296,785,642.69
  5. Step 5: Solve for x
    x = 1,296,785,642.69/41,778.39
  6. Step 6: Final answer
    x = 31,039.63

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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.