Home / 33,621.40-50,456.40-18,814.60

Finding the Fourth Proportional to 33,621.40, 50,456.40 and 18,814.60

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Solution

The fourth proportional to 33,621.40, 50,456.40 and 18,814.60 is: 28,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,621.40 : 50,456.40 = 18,814.60 : x
  2. Step 2: Convert to fraction form
    33,621.40/50,456.40 = 18,814.60/x
  3. Step 3: Cross multiply
    33,621.40x = 50,456.40 × 18,814.60
  4. Step 4: Simplify right side
    33,621.40x = 949,316,983.44
  5. Step 5: Solve for x
    x = 949,316,983.44/33,621.40
  6. Step 6: Final answer
    x = 28,235.50

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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.