Home / 36,295.14-54,450.40-12,921.50

Finding the Fourth Proportional to 36,295.14, 54,450.40 and 12,921.50

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Solution

The fourth proportional to 36,295.14, 54,450.40 and 12,921.50 is: 19,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,295.14 : 54,450.40 = 12,921.50 : x
  2. Step 2: Convert to fraction form
    36,295.14/54,450.40 = 12,921.50/x
  3. Step 3: Cross multiply
    36,295.14x = 54,450.40 × 12,921.50
  4. Step 4: Simplify right side
    36,295.14x = 703,580,843.60
  5. Step 5: Solve for x
    x = 703,580,843.60/36,295.14
  6. Step 6: Final answer
    x = 19,384.99

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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.