Home / 33,090.69-49,642.19-10,905.63

Finding the Fourth Proportional to 33,090.69, 49,642.19 and 10,905.63

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Solution

The fourth proportional to 33,090.69, 49,642.19 and 10,905.63 is: 16,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,090.69 : 49,642.19 = 10,905.63 : x
  2. Step 2: Convert to fraction form
    33,090.69/49,642.19 = 10,905.63/x
  3. Step 3: Cross multiply
    33,090.69x = 49,642.19 × 10,905.63
  4. Step 4: Simplify right side
    33,090.69x = 541,379,156.74
  5. Step 5: Solve for x
    x = 541,379,156.74/33,090.69
  6. Step 6: Final answer
    x = 16,360.47

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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.