Home / 33,315.48-45,975.92-19,884.12

Finding the Fourth Proportional to 33,315.48, 45,975.92 and 19,884.12

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Solution

The fourth proportional to 33,315.48, 45,975.92 and 19,884.12 is: 27,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.48 : 45,975.92 = 19,884.12 : x
  2. Step 2: Convert to fraction form
    33,315.48/45,975.92 = 19,884.12/x
  3. Step 3: Cross multiply
    33,315.48x = 45,975.92 × 19,884.12
  4. Step 4: Simplify right side
    33,315.48x = 914,190,710.39
  5. Step 5: Solve for x
    x = 914,190,710.39/33,315.48
  6. Step 6: Final answer
    x = 27,440.42

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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.