Home / 51,918.31-77,844.19-21,924.42

Finding the Fourth Proportional to 51,918.31, 77,844.19 and 21,924.42

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Solution

The fourth proportional to 51,918.31, 77,844.19 and 21,924.42 is: 32,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918.31 : 77,844.19 = 21,924.42 : x
  2. Step 2: Convert to fraction form
    51,918.31/77,844.19 = 21,924.42/x
  3. Step 3: Cross multiply
    51,918.31x = 77,844.19 × 21,924.42
  4. Step 4: Simplify right side
    51,918.31x = 1,706,688,716.12
  5. Step 5: Solve for x
    x = 1,706,688,716.12/51,918.31
  6. Step 6: Final answer
    x = 32,872.58

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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.