Home / 36,620.60-50,539.58-20,707.88

Finding the Fourth Proportional to 36,620.60, 50,539.58 and 20,707.88

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Solution

The fourth proportional to 36,620.60, 50,539.58 and 20,707.88 is: 28,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,620.60 : 50,539.58 = 20,707.88 : x
  2. Step 2: Convert to fraction form
    36,620.60/50,539.58 = 20,707.88/x
  3. Step 3: Cross multiply
    36,620.60x = 50,539.58 × 20,707.88
  4. Step 4: Simplify right side
    36,620.60x = 1,046,567,557.89
  5. Step 5: Solve for x
    x = 1,046,567,557.89/36,620.60
  6. Step 6: Final answer
    x = 28,578.66

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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.