Home / 38,139.05-57,153.30-27,067.37

Finding the Fourth Proportional to 38,139.05, 57,153.30 and 27,067.37

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Solution

The fourth proportional to 38,139.05, 57,153.30 and 27,067.37 is: 40,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,139.05 : 57,153.30 = 27,067.37 : x
  2. Step 2: Convert to fraction form
    38,139.05/57,153.30 = 27,067.37/x
  3. Step 3: Cross multiply
    38,139.05x = 57,153.30 × 27,067.37
  4. Step 4: Simplify right side
    38,139.05x = 1,546,989,130.55
  5. Step 5: Solve for x
    x = 1,546,989,130.55/38,139.05
  6. Step 6: Final answer
    x = 40,561.81

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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.