Home / 36,553.37-50,442.63-20,639.30

Finding the Fourth Proportional to 36,553.37, 50,442.63 and 20,639.30

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Solution

The fourth proportional to 36,553.37, 50,442.63 and 20,639.30 is: 28,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,553.37 : 50,442.63 = 20,639.30 : x
  2. Step 2: Convert to fraction form
    36,553.37/50,442.63 = 20,639.30/x
  3. Step 3: Cross multiply
    36,553.37x = 50,442.63 × 20,639.30
  4. Step 4: Simplify right side
    36,553.37x = 1,041,100,573.36
  5. Step 5: Solve for x
    x = 1,041,100,573.36/36,553.37
  6. Step 6: Final answer
    x = 28,481.66

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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.