Home / 36,555.57-50,448.22-20,640.02

Finding the Fourth Proportional to 36,555.57, 50,448.22 and 20,640.02

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Solution

The fourth proportional to 36,555.57, 50,448.22 and 20,640.02 is: 28,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,555.57 : 50,448.22 = 20,640.02 : x
  2. Step 2: Convert to fraction form
    36,555.57/50,448.22 = 20,640.02/x
  3. Step 3: Cross multiply
    36,555.57x = 50,448.22 × 20,640.02
  4. Step 4: Simplify right side
    36,555.57x = 1,041,251,965.92
  5. Step 5: Solve for x
    x = 1,041,251,965.92/36,555.57
  6. Step 6: Final answer
    x = 28,484.09

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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.