Home / 36,290.38-50,079.44-20,375.50

Finding the Fourth Proportional to 36,290.38, 50,079.44 and 20,375.50

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Solution

The fourth proportional to 36,290.38, 50,079.44 and 20,375.50 is: 28,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290.38 : 50,079.44 = 20,375.50 : x
  2. Step 2: Convert to fraction form
    36,290.38/50,079.44 = 20,375.50/x
  3. Step 3: Cross multiply
    36,290.38x = 50,079.44 × 20,375.50
  4. Step 4: Simplify right side
    36,290.38x = 1,020,393,629.72
  5. Step 5: Solve for x
    x = 1,020,393,629.72/36,290.38
  6. Step 6: Final answer
    x = 28,117.47

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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.