Home / 36,745.86-50,708.36-20,830.31

Finding the Fourth Proportional to 36,745.86, 50,708.36 and 20,830.31

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Solution

The fourth proportional to 36,745.86, 50,708.36 and 20,830.31 is: 28,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,745.86 : 50,708.36 = 20,830.31 : x
  2. Step 2: Convert to fraction form
    36,745.86/50,708.36 = 20,830.31/x
  3. Step 3: Cross multiply
    36,745.86x = 50,708.36 × 20,830.31
  4. Step 4: Simplify right side
    36,745.86x = 1,056,270,858.39
  5. Step 5: Solve for x
    x = 1,056,270,858.39/36,745.86
  6. Step 6: Final answer
    x = 28,745.30

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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.