Home / 37,674.66-51,991.69-20,680.49

Finding the Fourth Proportional to 37,674.66, 51,991.69 and 20,680.49

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Solution

The fourth proportional to 37,674.66, 51,991.69 and 20,680.49 is: 28,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,674.66 : 51,991.69 = 20,680.49 : x
  2. Step 2: Convert to fraction form
    37,674.66/51,991.69 = 20,680.49/x
  3. Step 3: Cross multiply
    37,674.66x = 51,991.69 × 20,680.49
  4. Step 4: Simplify right side
    37,674.66x = 1,075,213,625.13
  5. Step 5: Solve for x
    x = 1,075,213,625.13/37,674.66
  6. Step 6: Final answer
    x = 28,539.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.