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Finding the Fourth Proportional to 57,356.64, 79,180.94 and 35,858.33

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Solution

The fourth proportional to 57,356.64, 79,180.94 and 35,858.33 is: 49,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,356.64 : 79,180.94 = 35,858.33 : x
  2. Step 2: Convert to fraction form
    57,356.64/79,180.94 = 35,858.33/x
  3. Step 3: Cross multiply
    57,356.64x = 79,180.94 × 35,858.33
  4. Step 4: Simplify right side
    57,356.64x = 2,839,296,266.90
  5. Step 5: Solve for x
    x = 2,839,296,266.90/57,356.64
  6. Step 6: Final answer
    x = 49,502.49

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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.