Home / 43,877.90-65,757.20-18,556.37

Finding the Fourth Proportional to 43,877.90, 65,757.20 and 18,556.37

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Solution

The fourth proportional to 43,877.90, 65,757.20 and 18,556.37 is: 27,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,877.90 : 65,757.20 = 18,556.37 : x
  2. Step 2: Convert to fraction form
    43,877.90/65,757.20 = 18,556.37/x
  3. Step 3: Cross multiply
    43,877.90x = 65,757.20 × 18,556.37
  4. Step 4: Simplify right side
    43,877.90x = 1,220,214,604.58
  5. Step 5: Solve for x
    x = 1,220,214,604.58/43,877.90
  6. Step 6: Final answer
    x = 27,809.32

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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.