Home / 33,021.40-49,535.70-31,984.60

Finding the Fourth Proportional to 33,021.40, 49,535.70 and 31,984.60

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Solution

The fourth proportional to 33,021.40, 49,535.70 and 31,984.60 is: 47,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,021.40 : 49,535.70 = 31,984.60 : x
  2. Step 2: Convert to fraction form
    33,021.40/49,535.70 = 31,984.60/x
  3. Step 3: Cross multiply
    33,021.40x = 49,535.70 × 31,984.60
  4. Step 4: Simplify right side
    33,021.40x = 1,584,379,550.22
  5. Step 5: Solve for x
    x = 1,584,379,550.22/33,021.40
  6. Step 6: Final answer
    x = 47,980.39

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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.