Home / 33,431.88-50,141.28-12,368.64

Finding the Fourth Proportional to 33,431.88, 50,141.28 and 12,368.64

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Solution

The fourth proportional to 33,431.88, 50,141.28 and 12,368.64 is: 18,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.88 : 50,141.28 = 12,368.64 : x
  2. Step 2: Convert to fraction form
    33,431.88/50,141.28 = 12,368.64/x
  3. Step 3: Cross multiply
    33,431.88x = 50,141.28 × 12,368.64
  4. Step 4: Simplify right side
    33,431.88x = 620,179,441.46
  5. Step 5: Solve for x
    x = 620,179,441.46/33,431.88
  6. Step 6: Final answer
    x = 18,550.54

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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.