Home / 36,067.36-54,086.40-12,688.32

Finding the Fourth Proportional to 36,067.36, 54,086.40 and 12,688.32

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Solution

The fourth proportional to 36,067.36, 54,086.40 and 12,688.32 is: 19,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,067.36 : 54,086.40 = 12,688.32 : x
  2. Step 2: Convert to fraction form
    36,067.36/54,086.40 = 12,688.32/x
  3. Step 3: Cross multiply
    36,067.36x = 54,086.40 × 12,688.32
  4. Step 4: Simplify right side
    36,067.36x = 686,265,550.85
  5. Step 5: Solve for x
    x = 686,265,550.85/36,067.36
  6. Step 6: Final answer
    x = 19,027.33

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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.