Home / 43,938.44-65,918.90-12,773.69

Finding the Fourth Proportional to 43,938.44, 65,918.90 and 12,773.69

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Solution

The fourth proportional to 43,938.44, 65,918.90 and 12,773.69 is: 19,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,938.44 : 65,918.90 = 12,773.69 : x
  2. Step 2: Convert to fraction form
    43,938.44/65,918.90 = 12,773.69/x
  3. Step 3: Cross multiply
    43,938.44x = 65,918.90 × 12,773.69
  4. Step 4: Simplify right side
    43,938.44x = 842,027,593.74
  5. Step 5: Solve for x
    x = 842,027,593.74/43,938.44
  6. Step 6: Final answer
    x = 19,163.80

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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.