Home / 33,036.44-45,579.12-18,879.20

Finding the Fourth Proportional to 33,036.44, 45,579.12 and 18,879.20

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Solution

The fourth proportional to 33,036.44, 45,579.12 and 18,879.20 is: 26,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,036.44 : 45,579.12 = 18,879.20 : x
  2. Step 2: Convert to fraction form
    33,036.44/45,579.12 = 18,879.20/x
  3. Step 3: Cross multiply
    33,036.44x = 45,579.12 × 18,879.20
  4. Step 4: Simplify right side
    33,036.44x = 860,497,322.30
  5. Step 5: Solve for x
    x = 860,497,322.30/33,036.44
  6. Step 6: Final answer
    x = 26,046.91

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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.