Home / 33,187.79-45,786.14-21,863.22

Finding the Fourth Proportional to 33,187.79, 45,786.14 and 21,863.22

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Solution

The fourth proportional to 33,187.79, 45,786.14 and 21,863.22 is: 30,162.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.79 : 45,786.14 = 21,863.22 : x
  2. Step 2: Convert to fraction form
    33,187.79/45,786.14 = 21,863.22/x
  3. Step 3: Cross multiply
    33,187.79x = 45,786.14 × 21,863.22
  4. Step 4: Simplify right side
    33,187.79x = 1,001,032,342.45
  5. Step 5: Solve for x
    x = 1,001,032,342.45/33,187.79
  6. Step 6: Final answer
    x = 30,162.67

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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.