Home / 36,397.32-50,231.24-20,480.80

Finding the Fourth Proportional to 36,397.32, 50,231.24 and 20,480.80

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Solution

The fourth proportional to 36,397.32, 50,231.24 and 20,480.80 is: 28,265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,397.32 : 50,231.24 = 20,480.80 : x
  2. Step 2: Convert to fraction form
    36,397.32/50,231.24 = 20,480.80/x
  3. Step 3: Cross multiply
    36,397.32x = 50,231.24 × 20,480.80
  4. Step 4: Simplify right side
    36,397.32x = 1,028,775,980.19
  5. Step 5: Solve for x
    x = 1,028,775,980.19/36,397.32
  6. Step 6: Final answer
    x = 28,265.16

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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.