Home / 33,138.58-45,716.37-22,379.96

Finding the Fourth Proportional to 33,138.58, 45,716.37 and 22,379.96

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Solution

The fourth proportional to 33,138.58, 45,716.37 and 22,379.96 is: 30,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.58 : 45,716.37 = 22,379.96 : x
  2. Step 2: Convert to fraction form
    33,138.58/45,716.37 = 22,379.96/x
  3. Step 3: Cross multiply
    33,138.58x = 45,716.37 × 22,379.96
  4. Step 4: Simplify right side
    33,138.58x = 1,023,130,303.36
  5. Step 5: Solve for x
    x = 1,023,130,303.36/33,138.58
  6. Step 6: Final answer
    x = 30,874.30

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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.