Home / 51,815.44-77,714.92-18,529.30

Finding the Fourth Proportional to 51,815.44, 77,714.92 and 18,529.30

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Solution

The fourth proportional to 51,815.44, 77,714.92 and 18,529.30 is: 27,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,815.44 : 77,714.92 = 18,529.30 : x
  2. Step 2: Convert to fraction form
    51,815.44/77,714.92 = 18,529.30/x
  3. Step 3: Cross multiply
    51,815.44x = 77,714.92 × 18,529.30
  4. Step 4: Simplify right side
    51,815.44x = 1,440,003,067.16
  5. Step 5: Solve for x
    x = 1,440,003,067.16/51,815.44
  6. Step 6: Final answer
    x = 27,791.00

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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.