Home / 49,852.40-74,772.32-21,791.77

Finding the Fourth Proportional to 49,852.40, 74,772.32 and 21,791.77

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Solution

The fourth proportional to 49,852.40, 74,772.32 and 21,791.77 is: 32,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,852.40 : 74,772.32 = 21,791.77 : x
  2. Step 2: Convert to fraction form
    49,852.40/74,772.32 = 21,791.77/x
  3. Step 3: Cross multiply
    49,852.40x = 74,772.32 × 21,791.77
  4. Step 4: Simplify right side
    49,852.40x = 1,629,420,903.92
  5. Step 5: Solve for x
    x = 1,629,420,903.92/49,852.40
  6. Step 6: Final answer
    x = 32,684.91

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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.