Home / 43,473.64-65,178.56-13,874.42

Finding the Fourth Proportional to 43,473.64, 65,178.56 and 13,874.42

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Solution

The fourth proportional to 43,473.64, 65,178.56 and 13,874.42 is: 20,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,473.64 : 65,178.56 = 13,874.42 : x
  2. Step 2: Convert to fraction form
    43,473.64/65,178.56 = 13,874.42/x
  3. Step 3: Cross multiply
    43,473.64x = 65,178.56 × 13,874.42
  4. Step 4: Simplify right side
    43,473.64x = 904,314,716.44
  5. Step 5: Solve for x
    x = 904,314,716.44/43,473.64
  6. Step 6: Final answer
    x = 20,801.45

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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.