Home / 33,390.32-50,087.39-20,153.49

Finding the Fourth Proportional to 33,390.32, 50,087.39 and 20,153.49

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Solution

The fourth proportional to 33,390.32, 50,087.39 and 20,153.49 is: 30,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,390.32 : 50,087.39 = 20,153.49 : x
  2. Step 2: Convert to fraction form
    33,390.32/50,087.39 = 20,153.49/x
  3. Step 3: Cross multiply
    33,390.32x = 50,087.39 × 20,153.49
  4. Step 4: Simplify right side
    33,390.32x = 1,009,435,612.72
  5. Step 5: Solve for x
    x = 1,009,435,612.72/33,390.32
  6. Step 6: Final answer
    x = 30,231.39

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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.