Home / 51,868.80-77,794.62-18,583.92

Finding the Fourth Proportional to 51,868.80, 77,794.62 and 18,583.92

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Solution

The fourth proportional to 51,868.80, 77,794.62 and 18,583.92 is: 27,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,868.80 : 77,794.62 = 18,583.92 : x
  2. Step 2: Convert to fraction form
    51,868.80/77,794.62 = 18,583.92/x
  3. Step 3: Cross multiply
    51,868.80x = 77,794.62 × 18,583.92
  4. Step 4: Simplify right side
    51,868.80x = 1,445,728,994.51
  5. Step 5: Solve for x
    x = 1,445,728,994.51/51,868.80
  6. Step 6: Final answer
    x = 27,872.81

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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.