Home / 33,289.21-49,933.30-9,915.65

Finding the Fourth Proportional to 33,289.21, 49,933.30 and 9,915.65

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Solution

The fourth proportional to 33,289.21, 49,933.30 and 9,915.65 is: 14,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,289.21 : 49,933.30 = 9,915.65 : x
  2. Step 2: Convert to fraction form
    33,289.21/49,933.30 = 9,915.65/x
  3. Step 3: Cross multiply
    33,289.21x = 49,933.30 × 9,915.65
  4. Step 4: Simplify right side
    33,289.21x = 495,120,876.48
  5. Step 5: Solve for x
    x = 495,120,876.48/33,289.21
  6. Step 6: Final answer
    x = 14,873.32

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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.