Home / 36,334.68-50,141.40-20,421.82

Finding the Fourth Proportional to 36,334.68, 50,141.40 and 20,421.82

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Solution

The fourth proportional to 36,334.68, 50,141.40 and 20,421.82 is: 28,181.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,334.68 : 50,141.40 = 20,421.82 : x
  2. Step 2: Convert to fraction form
    36,334.68/50,141.40 = 20,421.82/x
  3. Step 3: Cross multiply
    36,334.68x = 50,141.40 × 20,421.82
  4. Step 4: Simplify right side
    36,334.68x = 1,023,978,645.35
  5. Step 5: Solve for x
    x = 1,023,978,645.35/36,334.68
  6. Step 6: Final answer
    x = 28,181.85

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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.