Home / 33,683.60-50,525.57-8,721.90

Finding the Fourth Proportional to 33,683.60, 50,525.57 and 8,721.90

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Solution

The fourth proportional to 33,683.60, 50,525.57 and 8,721.90 is: 13,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,683.60 : 50,525.57 = 8,721.90 : x
  2. Step 2: Convert to fraction form
    33,683.60/50,525.57 = 8,721.90/x
  3. Step 3: Cross multiply
    33,683.60x = 50,525.57 × 8,721.90
  4. Step 4: Simplify right side
    33,683.60x = 440,678,990.79
  5. Step 5: Solve for x
    x = 440,678,990.79/33,683.60
  6. Step 6: Final answer
    x = 13,082.89

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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.