Home / 36,700.08-50,649.48-20,785.20

Finding the Fourth Proportional to 36,700.08, 50,649.48 and 20,785.20

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Solution

The fourth proportional to 36,700.08, 50,649.48 and 20,785.20 is: 28,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700.08 : 50,649.48 = 20,785.20 : x
  2. Step 2: Convert to fraction form
    36,700.08/50,649.48 = 20,785.20/x
  3. Step 3: Cross multiply
    36,700.08x = 50,649.48 × 20,785.20
  4. Step 4: Simplify right side
    36,700.08x = 1,052,759,571.70
  5. Step 5: Solve for x
    x = 1,052,759,571.70/36,700.08
  6. Step 6: Final answer
    x = 28,685.48

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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.