Home / 51,893.47-77,847-18,617.26

Finding the Fourth Proportional to 51,893.47, 77,847 and 18,617.26

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Solution

The fourth proportional to 51,893.47, 77,847 and 18,617.26 is: 27,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,893.47 : 77,847 = 18,617.26 : x
  2. Step 2: Convert to fraction form
    51,893.47/77,847 = 18,617.26/x
  3. Step 3: Cross multiply
    51,893.47x = 77,847 × 18,617.26
  4. Step 4: Simplify right side
    51,893.47x = 1,449,297,839.22
  5. Step 5: Solve for x
    x = 1,449,297,839.22/51,893.47
  6. Step 6: Final answer
    x = 27,928.33

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1.5x scale

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.