Home / 38,656.62-57,986.46-18,388.51

Finding the Fourth Proportional to 38,656.62, 57,986.46 and 18,388.51

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Solution

The fourth proportional to 38,656.62, 57,986.46 and 18,388.51 is: 27,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.62 : 57,986.46 = 18,388.51 : x
  2. Step 2: Convert to fraction form
    38,656.62/57,986.46 = 18,388.51/x
  3. Step 3: Cross multiply
    38,656.62x = 57,986.46 × 18,388.51
  4. Step 4: Simplify right side
    38,656.62x = 1,066,284,643.78
  5. Step 5: Solve for x
    x = 1,066,284,643.78/38,656.62
  6. Step 6: Final answer
    x = 27,583.49

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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.