Home / 43,404.20-65,127.90-17,109.80

Finding the Fourth Proportional to 43,404.20, 65,127.90 and 17,109.80

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Solution

The fourth proportional to 43,404.20, 65,127.90 and 17,109.80 is: 25,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,404.20 : 65,127.90 = 17,109.80 : x
  2. Step 2: Convert to fraction form
    43,404.20/65,127.90 = 17,109.80/x
  3. Step 3: Cross multiply
    43,404.20x = 65,127.90 × 17,109.80
  4. Step 4: Simplify right side
    43,404.20x = 1,114,325,343.42
  5. Step 5: Solve for x
    x = 1,114,325,343.42/43,404.20
  6. Step 6: Final answer
    x = 25,673.21

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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.