Home / 33,135.89-49,567.14-21,271.41

Finding the Fourth Proportional to 33,135.89, 49,567.14 and 21,271.41

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Solution

The fourth proportional to 33,135.89, 49,567.14 and 21,271.41 is: 31,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.89 : 49,567.14 = 21,271.41 : x
  2. Step 2: Convert to fraction form
    33,135.89/49,567.14 = 21,271.41/x
  3. Step 3: Cross multiply
    33,135.89x = 49,567.14 × 21,271.41
  4. Step 4: Simplify right side
    33,135.89x = 1,054,362,957.47
  5. Step 5: Solve for x
    x = 1,054,362,957.47/33,135.89
  6. Step 6: Final answer
    x = 31,819.37

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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.