Home / 36,536.67-50,420.34-20,620.98

Finding the Fourth Proportional to 36,536.67, 50,420.34 and 20,620.98

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Solution

The fourth proportional to 36,536.67, 50,420.34 and 20,620.98 is: 28,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,536.67 : 50,420.34 = 20,620.98 : x
  2. Step 2: Convert to fraction form
    36,536.67/50,420.34 = 20,620.98/x
  3. Step 3: Cross multiply
    36,536.67x = 50,420.34 × 20,620.98
  4. Step 4: Simplify right side
    36,536.67x = 1,039,716,822.73
  5. Step 5: Solve for x
    x = 1,039,716,822.73/36,536.67
  6. Step 6: Final answer
    x = 28,456.80

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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.