Home / 43,577.44-65,367.07-12,412.69

Finding the Fourth Proportional to 43,577.44, 65,367.07 and 12,412.69

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Solution

The fourth proportional to 43,577.44, 65,367.07 and 12,412.69 is: 18,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,577.44 : 65,367.07 = 12,412.69 : x
  2. Step 2: Convert to fraction form
    43,577.44/65,367.07 = 12,412.69/x
  3. Step 3: Cross multiply
    43,577.44x = 65,367.07 × 12,412.69
  4. Step 4: Simplify right side
    43,577.44x = 811,380,981.67
  5. Step 5: Solve for x
    x = 811,380,981.67/43,577.44
  6. Step 6: Final answer
    x = 18,619.29

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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.