Home / 33,135.44-45,711.83-19,699.07

Finding the Fourth Proportional to 33,135.44, 45,711.83 and 19,699.07

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Solution

The fourth proportional to 33,135.44, 45,711.83 and 19,699.07 is: 27,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.44 : 45,711.83 = 19,699.07 : x
  2. Step 2: Convert to fraction form
    33,135.44/45,711.83 = 19,699.07/x
  3. Step 3: Cross multiply
    33,135.44x = 45,711.83 × 19,699.07
  4. Step 4: Simplify right side
    33,135.44x = 900,480,359.69
  5. Step 5: Solve for x
    x = 900,480,359.69/33,135.44
  6. Step 6: Final answer
    x = 27,175.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.