Home / 43,423.62-65,145.24-13,843.14

Finding the Fourth Proportional to 43,423.62, 65,145.24 and 13,843.14

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Solution

The fourth proportional to 43,423.62, 65,145.24 and 13,843.14 is: 20,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,423.62 : 65,145.24 = 13,843.14 : x
  2. Step 2: Convert to fraction form
    43,423.62/65,145.24 = 13,843.14/x
  3. Step 3: Cross multiply
    43,423.62x = 65,145.24 × 13,843.14
  4. Step 4: Simplify right side
    43,423.62x = 901,814,677.65
  5. Step 5: Solve for x
    x = 901,814,677.65/43,423.62
  6. Step 6: Final answer
    x = 20,767.84

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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.