Home / 45,467.08-68,200.48-20,477.88

Finding the Fourth Proportional to 45,467.08, 68,200.48 and 20,477.88

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Solution

The fourth proportional to 45,467.08, 68,200.48 and 20,477.88 is: 30,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,467.08 : 68,200.48 = 20,477.88 : x
  2. Step 2: Convert to fraction form
    45,467.08/68,200.48 = 20,477.88/x
  3. Step 3: Cross multiply
    45,467.08x = 68,200.48 × 20,477.88
  4. Step 4: Simplify right side
    45,467.08x = 1,396,601,245.38
  5. Step 5: Solve for x
    x = 1,396,601,245.38/45,467.08
  6. Step 6: Final answer
    x = 30,716.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.