Home / 36,289.72-50,084.96-20,375.40

Finding the Fourth Proportional to 36,289.72, 50,084.96 and 20,375.40

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Solution

The fourth proportional to 36,289.72, 50,084.96 and 20,375.40 is: 28,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,289.72 : 50,084.96 = 20,375.40 : x
  2. Step 2: Convert to fraction form
    36,289.72/50,084.96 = 20,375.40/x
  3. Step 3: Cross multiply
    36,289.72x = 50,084.96 × 20,375.40
  4. Step 4: Simplify right side
    36,289.72x = 1,020,501,093.98
  5. Step 5: Solve for x
    x = 1,020,501,093.98/36,289.72
  6. Step 6: Final answer
    x = 28,120.94

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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.