Home / 43,825.60-65,722.20-14,244.40

Finding the Fourth Proportional to 43,825.60, 65,722.20 and 14,244.40

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Solution

The fourth proportional to 43,825.60, 65,722.20 and 14,244.40 is: 21,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,825.60 : 65,722.20 = 14,244.40 : x
  2. Step 2: Convert to fraction form
    43,825.60/65,722.20 = 14,244.40/x
  3. Step 3: Cross multiply
    43,825.60x = 65,722.20 × 14,244.40
  4. Step 4: Simplify right side
    43,825.60x = 936,173,305.68
  5. Step 5: Solve for x
    x = 936,173,305.68/43,825.60
  6. Step 6: Final answer
    x = 21,361.33

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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.