Home / 33,102.60-49,673.10-12,328.20

Finding the Fourth Proportional to 33,102.60, 49,673.10 and 12,328.20

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Solution

The fourth proportional to 33,102.60, 49,673.10 and 12,328.20 is: 18,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,102.60 : 49,673.10 = 12,328.20 : x
  2. Step 2: Convert to fraction form
    33,102.60/49,673.10 = 12,328.20/x
  3. Step 3: Cross multiply
    33,102.60x = 49,673.10 × 12,328.20
  4. Step 4: Simplify right side
    33,102.60x = 612,379,911.42
  5. Step 5: Solve for x
    x = 612,379,911.42/33,102.60
  6. Step 6: Final answer
    x = 18,499.45

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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.