Home / 43,855.62-65,757.08-20,133.48

Finding the Fourth Proportional to 43,855.62, 65,757.08 and 20,133.48

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Solution

The fourth proportional to 43,855.62, 65,757.08 and 20,133.48 is: 30,188.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,855.62 : 65,757.08 = 20,133.48 : x
  2. Step 2: Convert to fraction form
    43,855.62/65,757.08 = 20,133.48/x
  3. Step 3: Cross multiply
    43,855.62x = 65,757.08 × 20,133.48
  4. Step 4: Simplify right side
    43,855.62x = 1,323,918,855.04
  5. Step 5: Solve for x
    x = 1,323,918,855.04/43,855.62
  6. Step 6: Final answer
    x = 30,188.12

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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.