Home / 43,923-65,892.60-17,630.40

Finding the Fourth Proportional to 43,923, 65,892.60 and 17,630.40

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Solution

The fourth proportional to 43,923, 65,892.60 and 17,630.40 is: 26,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,923 : 65,892.60 = 17,630.40 : x
  2. Step 2: Convert to fraction form
    43,923/65,892.60 = 17,630.40/x
  3. Step 3: Cross multiply
    43,923x = 65,892.60 × 17,630.40
  4. Step 4: Simplify right side
    43,923x = 1,161,712,895.04
  5. Step 5: Solve for x
    x = 1,161,712,895.04/43,923
  6. Step 6: Final answer
    x = 26,448.85

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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.