Home / 33,220.32-45,844.40-18,112.86

Finding the Fourth Proportional to 33,220.32, 45,844.40 and 18,112.86

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Solution

The fourth proportional to 33,220.32, 45,844.40 and 18,112.86 is: 24,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.32 : 45,844.40 = 18,112.86 : x
  2. Step 2: Convert to fraction form
    33,220.32/45,844.40 = 18,112.86/x
  3. Step 3: Cross multiply
    33,220.32x = 45,844.40 × 18,112.86
  4. Step 4: Simplify right side
    33,220.32x = 830,372,879.20
  5. Step 5: Solve for x
    x = 830,372,879.20/33,220.32
  6. Step 6: Final answer
    x = 24,995.94

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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.