Home / 36,681.42-50,620.08-20,765.73

Finding the Fourth Proportional to 36,681.42, 50,620.08 and 20,765.73

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Solution

The fourth proportional to 36,681.42, 50,620.08 and 20,765.73 is: 28,656.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.42 : 50,620.08 = 20,765.73 : x
  2. Step 2: Convert to fraction form
    36,681.42/50,620.08 = 20,765.73/x
  3. Step 3: Cross multiply
    36,681.42x = 50,620.08 × 20,765.73
  4. Step 4: Simplify right side
    36,681.42x = 1,051,162,913.86
  5. Step 5: Solve for x
    x = 1,051,162,913.86/36,681.42
  6. Step 6: Final answer
    x = 28,656.55

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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.