Home / 33,170.12-45,772.44-18,830.24

Finding the Fourth Proportional to 33,170.12, 45,772.44 and 18,830.24

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Solution

The fourth proportional to 33,170.12, 45,772.44 and 18,830.24 is: 25,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.12 : 45,772.44 = 18,830.24 : x
  2. Step 2: Convert to fraction form
    33,170.12/45,772.44 = 18,830.24/x
  3. Step 3: Cross multiply
    33,170.12x = 45,772.44 × 18,830.24
  4. Step 4: Simplify right side
    33,170.12x = 861,906,030.59
  5. Step 5: Solve for x
    x = 861,906,030.59/33,170.12
  6. Step 6: Final answer
    x = 25,984.41

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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.