Home / 51,892.47-77,845.50-18,616.26

Finding the Fourth Proportional to 51,892.47, 77,845.50 and 18,616.26

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Solution

The fourth proportional to 51,892.47, 77,845.50 and 18,616.26 is: 27,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,892.47 : 77,845.50 = 18,616.26 : x
  2. Step 2: Convert to fraction form
    51,892.47/77,845.50 = 18,616.26/x
  3. Step 3: Cross multiply
    51,892.47x = 77,845.50 × 18,616.26
  4. Step 4: Simplify right side
    51,892.47x = 1,449,192,067.83
  5. Step 5: Solve for x
    x = 1,449,192,067.83/51,892.47
  6. Step 6: Final answer
    x = 27,926.83

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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.