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Finding the Fourth Proportional to 57,393.33, 79,198.96 and 31,898.04

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Solution

The fourth proportional to 57,393.33, 79,198.96 and 31,898.04 is: 44,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,393.33 : 79,198.96 = 31,898.04 : x
  2. Step 2: Convert to fraction form
    57,393.33/79,198.96 = 31,898.04/x
  3. Step 3: Cross multiply
    57,393.33x = 79,198.96 × 31,898.04
  4. Step 4: Simplify right side
    57,393.33x = 2,526,291,594.04
  5. Step 5: Solve for x
    x = 2,526,291,594.04/57,393.33
  6. Step 6: Final answer
    x = 44,017.16

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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.