Home / 33,289.90-49,933.15-12,228.32

Finding the Fourth Proportional to 33,289.90, 49,933.15 and 12,228.32

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Solution

The fourth proportional to 33,289.90, 49,933.15 and 12,228.32 is: 18,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,289.90 : 49,933.15 = 12,228.32 : x
  2. Step 2: Convert to fraction form
    33,289.90/49,933.15 = 12,228.32/x
  3. Step 3: Cross multiply
    33,289.90x = 49,933.15 × 12,228.32
  4. Step 4: Simplify right side
    33,289.90x = 610,598,631.07
  5. Step 5: Solve for x
    x = 610,598,631.07/33,289.90
  6. Step 6: Final answer
    x = 18,341.86

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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.