Home / 40,578.45-55,998.44-22,181.94

Finding the Fourth Proportional to 40,578.45, 55,998.44 and 22,181.94

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Solution

The fourth proportional to 40,578.45, 55,998.44 and 22,181.94 is: 30,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,578.45 : 55,998.44 = 22,181.94 : x
  2. Step 2: Convert to fraction form
    40,578.45/55,998.44 = 22,181.94/x
  3. Step 3: Cross multiply
    40,578.45x = 55,998.44 × 22,181.94
  4. Step 4: Simplify right side
    40,578.45x = 1,242,154,036.17
  5. Step 5: Solve for x
    x = 1,242,154,036.17/40,578.45
  6. Step 6: Final answer
    x = 30,611.18

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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.