Home / 43,900.43-65,865.44-13,919.58

Finding the Fourth Proportional to 43,900.43, 65,865.44 and 13,919.58

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Solution

The fourth proportional to 43,900.43, 65,865.44 and 13,919.58 is: 20,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,900.43 : 65,865.44 = 13,919.58 : x
  2. Step 2: Convert to fraction form
    43,900.43/65,865.44 = 13,919.58/x
  3. Step 3: Cross multiply
    43,900.43x = 65,865.44 × 13,919.58
  4. Step 4: Simplify right side
    43,900.43x = 916,819,296.11
  5. Step 5: Solve for x
    x = 916,819,296.11/43,900.43
  6. Step 6: Final answer
    x = 20,884.06

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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.