Home / 52,791.94-72,852.09-28,918.66

Finding the Fourth Proportional to 52,791.94, 72,852.09 and 28,918.66

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Solution

The fourth proportional to 52,791.94, 72,852.09 and 28,918.66 is: 39,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791.94 : 72,852.09 = 28,918.66 : x
  2. Step 2: Convert to fraction form
    52,791.94/72,852.09 = 28,918.66/x
  3. Step 3: Cross multiply
    52,791.94x = 72,852.09 × 28,918.66
  4. Step 4: Simplify right side
    52,791.94x = 2,106,784,821.00
  5. Step 5: Solve for x
    x = 2,106,784,821.00/52,791.94
  6. Step 6: Final answer
    x = 39,907.32

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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.