Home / 36,397.44-50,222.70-20,478.78

Finding the Fourth Proportional to 36,397.44, 50,222.70 and 20,478.78

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Solution

The fourth proportional to 36,397.44, 50,222.70 and 20,478.78 is: 28,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,397.44 : 50,222.70 = 20,478.78 : x
  2. Step 2: Convert to fraction form
    36,397.44/50,222.70 = 20,478.78/x
  3. Step 3: Cross multiply
    36,397.44x = 50,222.70 × 20,478.78
  4. Step 4: Simplify right side
    36,397.44x = 1,028,499,624.31
  5. Step 5: Solve for x
    x = 1,028,499,624.31/36,397.44
  6. Step 6: Final answer
    x = 28,257.47

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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.