Home / 51,980.82-77,924.36-18,693.06

Finding the Fourth Proportional to 51,980.82, 77,924.36 and 18,693.06

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Solution

The fourth proportional to 51,980.82, 77,924.36 and 18,693.06 is: 28,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,980.82 : 77,924.36 = 18,693.06 : x
  2. Step 2: Convert to fraction form
    51,980.82/77,924.36 = 18,693.06/x
  3. Step 3: Cross multiply
    51,980.82x = 77,924.36 × 18,693.06
  4. Step 4: Simplify right side
    51,980.82x = 1,456,644,736.94
  5. Step 5: Solve for x
    x = 1,456,644,736.94/51,980.82
  6. Step 6: Final answer
    x = 28,022.73

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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.