Home / 20,043.36-30,067.56-10,174.32

Finding the Fourth Proportional to 20,043.36, 30,067.56 and 10,174.32

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Solution

The fourth proportional to 20,043.36, 30,067.56 and 10,174.32 is: 15,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.36 : 30,067.56 = 10,174.32 : x
  2. Step 2: Convert to fraction form
    20,043.36/30,067.56 = 10,174.32/x
  3. Step 3: Cross multiply
    20,043.36x = 30,067.56 × 10,174.32
  4. Step 4: Simplify right side
    20,043.36x = 305,916,977.06
  5. Step 5: Solve for x
    x = 305,916,977.06/20,043.36
  6. Step 6: Final answer
    x = 15,262.76

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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.