Home / 33,105.51-49,642.60-12,030.86

Finding the Fourth Proportional to 33,105.51, 49,642.60 and 12,030.86

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Solution

The fourth proportional to 33,105.51, 49,642.60 and 12,030.86 is: 18,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,105.51 : 49,642.60 = 12,030.86 : x
  2. Step 2: Convert to fraction form
    33,105.51/49,642.60 = 12,030.86/x
  3. Step 3: Cross multiply
    33,105.51x = 49,642.60 × 12,030.86
  4. Step 4: Simplify right side
    33,105.51x = 597,243,170.64
  5. Step 5: Solve for x
    x = 597,243,170.64/33,105.51
  6. Step 6: Final answer
    x = 18,040.60

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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.