Home / 36,305.42-50,099.01-20,389.52

Finding the Fourth Proportional to 36,305.42, 50,099.01 and 20,389.52

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Solution

The fourth proportional to 36,305.42, 50,099.01 and 20,389.52 is: 28,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,305.42 : 50,099.01 = 20,389.52 : x
  2. Step 2: Convert to fraction form
    36,305.42/50,099.01 = 20,389.52/x
  3. Step 3: Cross multiply
    36,305.42x = 50,099.01 × 20,389.52
  4. Step 4: Simplify right side
    36,305.42x = 1,021,494,815.16
  5. Step 5: Solve for x
    x = 1,021,494,815.16/36,305.42
  6. Step 6: Final answer
    x = 28,136.16

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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.