Home / 52,757.39-79,136.15-13,317.54

Finding the Fourth Proportional to 52,757.39, 79,136.15 and 13,317.54

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Solution

The fourth proportional to 52,757.39, 79,136.15 and 13,317.54 is: 19,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,757.39 : 79,136.15 = 13,317.54 : x
  2. Step 2: Convert to fraction form
    52,757.39/79,136.15 = 13,317.54/x
  3. Step 3: Cross multiply
    52,757.39x = 79,136.15 × 13,317.54
  4. Step 4: Simplify right side
    52,757.39x = 1,053,898,776.48
  5. Step 5: Solve for x
    x = 1,053,898,776.48/52,757.39
  6. Step 6: Final answer
    x = 19,976.33

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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.