Home / 49,721.39-74,582.09-40,937.85

Finding the Fourth Proportional to 49,721.39, 74,582.09 and 40,937.85

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Solution

The fourth proportional to 49,721.39, 74,582.09 and 40,937.85 is: 61,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,721.39 : 74,582.09 = 40,937.85 : x
  2. Step 2: Convert to fraction form
    49,721.39/74,582.09 = 40,937.85/x
  3. Step 3: Cross multiply
    49,721.39x = 74,582.09 × 40,937.85
  4. Step 4: Simplify right side
    49,721.39x = 3,053,230,361.93
  5. Step 5: Solve for x
    x = 3,053,230,361.93/49,721.39
  6. Step 6: Final answer
    x = 61,406.78

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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.