Home / 37,678.56-51,994.08-21,760.44

Finding the Fourth Proportional to 37,678.56, 51,994.08 and 21,760.44

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Solution

The fourth proportional to 37,678.56, 51,994.08 and 21,760.44 is: 30,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,678.56 : 51,994.08 = 21,760.44 : x
  2. Step 2: Convert to fraction form
    37,678.56/51,994.08 = 21,760.44/x
  3. Step 3: Cross multiply
    37,678.56x = 51,994.08 × 21,760.44
  4. Step 4: Simplify right side
    37,678.56x = 1,131,414,058.20
  5. Step 5: Solve for x
    x = 1,131,414,058.20/37,678.56
  6. Step 6: Final answer
    x = 30,028.06

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1.5x scale

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.