Home / 36,555.87-50,446.66-20,640.99

Finding the Fourth Proportional to 36,555.87, 50,446.66 and 20,640.99

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Solution

The fourth proportional to 36,555.87, 50,446.66 and 20,640.99 is: 28,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,555.87 : 50,446.66 = 20,640.99 : x
  2. Step 2: Convert to fraction form
    36,555.87/50,446.66 = 20,640.99/x
  3. Step 3: Cross multiply
    36,555.87x = 50,446.66 × 20,640.99
  4. Step 4: Simplify right side
    36,555.87x = 1,041,269,004.59
  5. Step 5: Solve for x
    x = 1,041,269,004.59/36,555.87
  6. Step 6: Final answer
    x = 28,484.32

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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.