Home / 49,926.80-68,910.54-28,718.32

Finding the Fourth Proportional to 49,926.80, 68,910.54 and 28,718.32

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Solution

The fourth proportional to 49,926.80, 68,910.54 and 28,718.32 is: 39,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,926.80 : 68,910.54 = 28,718.32 : x
  2. Step 2: Convert to fraction form
    49,926.80/68,910.54 = 28,718.32/x
  3. Step 3: Cross multiply
    49,926.80x = 68,910.54 × 28,718.32
  4. Step 4: Simplify right side
    49,926.80x = 1,978,994,939.09
  5. Step 5: Solve for x
    x = 1,978,994,939.09/49,926.80
  6. Step 6: Final answer
    x = 39,637.93

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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.