Home / 33,161.60-45,765.44-19,018.88

Finding the Fourth Proportional to 33,161.60, 45,765.44 and 19,018.88

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Solution

The fourth proportional to 33,161.60, 45,765.44 and 19,018.88 is: 26,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,161.60 : 45,765.44 = 19,018.88 : x
  2. Step 2: Convert to fraction form
    33,161.60/45,765.44 = 19,018.88/x
  3. Step 3: Cross multiply
    33,161.60x = 45,765.44 × 19,018.88
  4. Step 4: Simplify right side
    33,161.60x = 870,407,411.51
  5. Step 5: Solve for x
    x = 870,407,411.51/33,161.60
  6. Step 6: Final answer
    x = 26,247.45

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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.