Home / 33,215.30-49,852.11-18,440.90

Finding the Fourth Proportional to 33,215.30, 49,852.11 and 18,440.90

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Solution

The fourth proportional to 33,215.30, 49,852.11 and 18,440.90 is: 27,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215.30 : 49,852.11 = 18,440.90 : x
  2. Step 2: Convert to fraction form
    33,215.30/49,852.11 = 18,440.90/x
  3. Step 3: Cross multiply
    33,215.30x = 49,852.11 × 18,440.90
  4. Step 4: Simplify right side
    33,215.30x = 919,317,775.30
  5. Step 5: Solve for x
    x = 919,317,775.30/33,215.30
  6. Step 6: Final answer
    x = 27,677.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.