Home / 40,014.46-55,219.96-22,109.60

Finding the Fourth Proportional to 40,014.46, 55,219.96 and 22,109.60

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Solution

The fourth proportional to 40,014.46, 55,219.96 and 22,109.60 is: 30,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,014.46 : 55,219.96 = 22,109.60 : x
  2. Step 2: Convert to fraction form
    40,014.46/55,219.96 = 22,109.60/x
  3. Step 3: Cross multiply
    40,014.46x = 55,219.96 × 22,109.60
  4. Step 4: Simplify right side
    40,014.46x = 1,220,891,227.62
  5. Step 5: Solve for x
    x = 1,220,891,227.62/40,014.46
  6. Step 6: Final answer
    x = 30,511.25

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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.