Home / 36,968.88-51,018.66-20,841.60

Finding the Fourth Proportional to 36,968.88, 51,018.66 and 20,841.60

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Solution

The fourth proportional to 36,968.88, 51,018.66 and 20,841.60 is: 28,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,968.88 : 51,018.66 = 20,841.60 : x
  2. Step 2: Convert to fraction form
    36,968.88/51,018.66 = 20,841.60/x
  3. Step 3: Cross multiply
    36,968.88x = 51,018.66 × 20,841.60
  4. Step 4: Simplify right side
    36,968.88x = 1,063,310,504.26
  5. Step 5: Solve for x
    x = 1,063,310,504.26/36,968.88
  6. Step 6: Final answer
    x = 28,762.31

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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.