Home / 33,181.65-45,800.09-21,859.41

Finding the Fourth Proportional to 33,181.65, 45,800.09 and 21,859.41

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Solution

The fourth proportional to 33,181.65, 45,800.09 and 21,859.41 is: 30,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.65 : 45,800.09 = 21,859.41 : x
  2. Step 2: Convert to fraction form
    33,181.65/45,800.09 = 21,859.41/x
  3. Step 3: Cross multiply
    33,181.65x = 45,800.09 × 21,859.41
  4. Step 4: Simplify right side
    33,181.65x = 1,001,162,836.05
  5. Step 5: Solve for x
    x = 1,001,162,836.05/33,181.65
  6. Step 6: Final answer
    x = 30,172.18

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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.