Home / 38,519.51-57,739.62-18,773.64

Finding the Fourth Proportional to 38,519.51, 57,739.62 and 18,773.64

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Solution

The fourth proportional to 38,519.51, 57,739.62 and 18,773.64 is: 28,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,519.51 : 57,739.62 = 18,773.64 : x
  2. Step 2: Convert to fraction form
    38,519.51/57,739.62 = 18,773.64/x
  3. Step 3: Cross multiply
    38,519.51x = 57,739.62 × 18,773.64
  4. Step 4: Simplify right side
    38,519.51x = 1,083,982,839.62
  5. Step 5: Solve for x
    x = 1,083,982,839.62/38,519.51
  6. Step 6: Final answer
    x = 28,141.14

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1.5x scale

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.