Home / 51,943.68-77,907.84-19,104

Finding the Fourth Proportional to 51,943.68, 77,907.84 and 19,104

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Solution

The fourth proportional to 51,943.68, 77,907.84 and 19,104 is: 28,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,943.68 : 77,907.84 = 19,104 : x
  2. Step 2: Convert to fraction form
    51,943.68/77,907.84 = 19,104/x
  3. Step 3: Cross multiply
    51,943.68x = 77,907.84 × 19,104
  4. Step 4: Simplify right side
    51,943.68x = 1,488,351,375.36
  5. Step 5: Solve for x
    x = 1,488,351,375.36/51,943.68
  6. Step 6: Final answer
    x = 28,653.18

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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.