Home / 43,367.07-65,060.16-18,428.44

Finding the Fourth Proportional to 43,367.07, 65,060.16 and 18,428.44

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Solution

The fourth proportional to 43,367.07, 65,060.16 and 18,428.44 is: 27,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,367.07 : 65,060.16 = 18,428.44 : x
  2. Step 2: Convert to fraction form
    43,367.07/65,060.16 = 18,428.44/x
  3. Step 3: Cross multiply
    43,367.07x = 65,060.16 × 18,428.44
  4. Step 4: Simplify right side
    43,367.07x = 1,198,956,998.76
  5. Step 5: Solve for x
    x = 1,198,956,998.76/43,367.07
  6. Step 6: Final answer
    x = 27,646.71

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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.