Home / 33,211.18-45,830.36-18,103.60

Finding the Fourth Proportional to 33,211.18, 45,830.36 and 18,103.60

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Solution

The fourth proportional to 33,211.18, 45,830.36 and 18,103.60 is: 24,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.18 : 45,830.36 = 18,103.60 : x
  2. Step 2: Convert to fraction form
    33,211.18/45,830.36 = 18,103.60/x
  3. Step 3: Cross multiply
    33,211.18x = 45,830.36 × 18,103.60
  4. Step 4: Simplify right side
    33,211.18x = 829,694,185.63
  5. Step 5: Solve for x
    x = 829,694,185.63/33,211.18
  6. Step 6: Final answer
    x = 24,982.38

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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.