Home / 36,012.54-49,699.80-20,100.09

Finding the Fourth Proportional to 36,012.54, 49,699.80 and 20,100.09

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Solution

The fourth proportional to 36,012.54, 49,699.80 and 20,100.09 is: 27,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012.54 : 49,699.80 = 20,100.09 : x
  2. Step 2: Convert to fraction form
    36,012.54/49,699.80 = 20,100.09/x
  3. Step 3: Cross multiply
    36,012.54x = 49,699.80 × 20,100.09
  4. Step 4: Simplify right side
    36,012.54x = 998,970,452.98
  5. Step 5: Solve for x
    x = 998,970,452.98/36,012.54
  6. Step 6: Final answer
    x = 27,739.52

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1.5x scale

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.