Home / 40,014.99-55,220.04-22,110.75

Finding the Fourth Proportional to 40,014.99, 55,220.04 and 22,110.75

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Solution

The fourth proportional to 40,014.99, 55,220.04 and 22,110.75 is: 30,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,014.99 : 55,220.04 = 22,110.75 : x
  2. Step 2: Convert to fraction form
    40,014.99/55,220.04 = 22,110.75/x
  3. Step 3: Cross multiply
    40,014.99x = 55,220.04 × 22,110.75
  4. Step 4: Simplify right side
    40,014.99x = 1,220,956,499.43
  5. Step 5: Solve for x
    x = 1,220,956,499.43/40,014.99
  6. Step 6: Final answer
    x = 30,512.48

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Half scale
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Double scale
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Similar ratio
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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.