Home / 39,230.58-54,131.42-22,231.28

Finding the Fourth Proportional to 39,230.58, 54,131.42 and 22,231.28

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Solution

The fourth proportional to 39,230.58, 54,131.42 and 22,231.28 is: 30,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,230.58 : 54,131.42 = 22,231.28 : x
  2. Step 2: Convert to fraction form
    39,230.58/54,131.42 = 22,231.28/x
  3. Step 3: Cross multiply
    39,230.58x = 54,131.42 × 22,231.28
  4. Step 4: Simplify right side
    39,230.58x = 1,203,410,754.82
  5. Step 5: Solve for x
    x = 1,203,410,754.82/39,230.58
  6. Step 6: Final answer
    x = 30,675.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.