Home / 36,190.80-54,291.60-12,815.37

Finding the Fourth Proportional to 36,190.80, 54,291.60 and 12,815.37

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Solution

The fourth proportional to 36,190.80, 54,291.60 and 12,815.37 is: 19,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,190.80 : 54,291.60 = 12,815.37 : x
  2. Step 2: Convert to fraction form
    36,190.80/54,291.60 = 12,815.37/x
  3. Step 3: Cross multiply
    36,190.80x = 54,291.60 × 12,815.37
  4. Step 4: Simplify right side
    36,190.80x = 695,766,941.89
  5. Step 5: Solve for x
    x = 695,766,941.89/36,190.80
  6. Step 6: Final answer
    x = 19,224.97

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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.