Home / 51,388.94-77,098.62-18,111.44

Finding the Fourth Proportional to 51,388.94, 77,098.62 and 18,111.44

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Solution

The fourth proportional to 51,388.94, 77,098.62 and 18,111.44 is: 27,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,388.94 : 77,098.62 = 18,111.44 : x
  2. Step 2: Convert to fraction form
    51,388.94/77,098.62 = 18,111.44/x
  3. Step 3: Cross multiply
    51,388.94x = 77,098.62 × 18,111.44
  4. Step 4: Simplify right side
    51,388.94x = 1,396,367,030.21
  5. Step 5: Solve for x
    x = 1,396,367,030.21/51,388.94
  6. Step 6: Final answer
    x = 27,172.52

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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.