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Finding the Fourth Proportional to 57,849.80, 79,850.61 and 33,657.93

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Solution

The fourth proportional to 57,849.80, 79,850.61 and 33,657.93 is: 46,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,849.80 : 79,850.61 = 33,657.93 : x
  2. Step 2: Convert to fraction form
    57,849.80/79,850.61 = 33,657.93/x
  3. Step 3: Cross multiply
    57,849.80x = 79,850.61 × 33,657.93
  4. Step 4: Simplify right side
    57,849.80x = 2,687,606,241.84
  5. Step 5: Solve for x
    x = 2,687,606,241.84/57,849.80
  6. Step 6: Final answer
    x = 46,458.35

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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.