Home / 40,181.40-55,450.35-22,276.62

Finding the Fourth Proportional to 40,181.40, 55,450.35 and 22,276.62

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Solution

The fourth proportional to 40,181.40, 55,450.35 and 22,276.62 is: 30,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,181.40 : 55,450.35 = 22,276.62 : x
  2. Step 2: Convert to fraction form
    40,181.40/55,450.35 = 22,276.62/x
  3. Step 3: Cross multiply
    40,181.40x = 55,450.35 × 22,276.62
  4. Step 4: Simplify right side
    40,181.40x = 1,235,246,375.82
  5. Step 5: Solve for x
    x = 1,235,246,375.82/40,181.40
  6. Step 6: Final answer
    x = 30,741.75

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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.