Home / 36,290.53-50,085.03-20,380.11

Finding the Fourth Proportional to 36,290.53, 50,085.03 and 20,380.11

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Solution

The fourth proportional to 36,290.53, 50,085.03 and 20,380.11 is: 28,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290.53 : 50,085.03 = 20,380.11 : x
  2. Step 2: Convert to fraction form
    36,290.53/50,085.03 = 20,380.11/x
  3. Step 3: Cross multiply
    36,290.53x = 50,085.03 × 20,380.11
  4. Step 4: Simplify right side
    36,290.53x = 1,020,738,309.36
  5. Step 5: Solve for x
    x = 1,020,738,309.36/36,290.53
  6. Step 6: Final answer
    x = 28,126.85

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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.