Home / 52,791.85-79,132.29-19,490.68

Finding the Fourth Proportional to 52,791.85, 79,132.29 and 19,490.68

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Solution

The fourth proportional to 52,791.85, 79,132.29 and 19,490.68 is: 29,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791.85 : 79,132.29 = 19,490.68 : x
  2. Step 2: Convert to fraction form
    52,791.85/79,132.29 = 19,490.68/x
  3. Step 3: Cross multiply
    52,791.85x = 79,132.29 × 19,490.68
  4. Step 4: Simplify right side
    52,791.85x = 1,542,342,142.06
  5. Step 5: Solve for x
    x = 1,542,342,142.06/52,791.85
  6. Step 6: Final answer
    x = 29,215.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.