Home / 36,400.73-50,224.70-20,479.37

Finding the Fourth Proportional to 36,400.73, 50,224.70 and 20,479.37

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Solution

The fourth proportional to 36,400.73, 50,224.70 and 20,479.37 is: 28,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,400.73 : 50,224.70 = 20,479.37 : x
  2. Step 2: Convert to fraction form
    36,400.73/50,224.70 = 20,479.37/x
  3. Step 3: Cross multiply
    36,400.73x = 50,224.70 × 20,479.37
  4. Step 4: Simplify right side
    36,400.73x = 1,028,570,093.45
  5. Step 5: Solve for x
    x = 1,028,570,093.45/36,400.73
  6. Step 6: Final answer
    x = 28,256.85

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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.