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Finding the Fourth Proportional to 57,751.68, 79,696.71 and 33,873.83

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Solution

The fourth proportional to 57,751.68, 79,696.71 and 33,873.83 is: 46,745.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,751.68 : 79,696.71 = 33,873.83 : x
  2. Step 2: Convert to fraction form
    57,751.68/79,696.71 = 33,873.83/x
  3. Step 3: Cross multiply
    57,751.68x = 79,696.71 × 33,873.83
  4. Step 4: Simplify right side
    57,751.68x = 2,699,632,806.10
  5. Step 5: Solve for x
    x = 2,699,632,806.10/57,751.68
  6. Step 6: Final answer
    x = 46,745.53

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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.