Home / 36,341.83-50,149.23-20,428.68

Finding the Fourth Proportional to 36,341.83, 50,149.23 and 20,428.68

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Solution

The fourth proportional to 36,341.83, 50,149.23 and 20,428.68 is: 28,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,341.83 : 50,149.23 = 20,428.68 : x
  2. Step 2: Convert to fraction form
    36,341.83/50,149.23 = 20,428.68/x
  3. Step 3: Cross multiply
    36,341.83x = 50,149.23 × 20,428.68
  4. Step 4: Simplify right side
    36,341.83x = 1,024,482,571.92
  5. Step 5: Solve for x
    x = 1,024,482,571.92/36,341.83
  6. Step 6: Final answer
    x = 28,190.18

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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.