Home / 36,231.40-54,347.74-12,845.80

Finding the Fourth Proportional to 36,231.40, 54,347.74 and 12,845.80

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Solution

The fourth proportional to 36,231.40, 54,347.74 and 12,845.80 is: 19,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.40 : 54,347.74 = 12,845.80 : x
  2. Step 2: Convert to fraction form
    36,231.40/54,347.74 = 12,845.80/x
  3. Step 3: Cross multiply
    36,231.40x = 54,347.74 × 12,845.80
  4. Step 4: Simplify right side
    36,231.40x = 698,140,198.49
  5. Step 5: Solve for x
    x = 698,140,198.49/36,231.40
  6. Step 6: Final answer
    x = 19,268.93

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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.