Home / 36,883.89-50,899.79-20,968.40

Finding the Fourth Proportional to 36,883.89, 50,899.79 and 20,968.40

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Solution

The fourth proportional to 36,883.89, 50,899.79 and 20,968.40 is: 28,936.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,883.89 : 50,899.79 = 20,968.40 : x
  2. Step 2: Convert to fraction form
    36,883.89/50,899.79 = 20,968.40/x
  3. Step 3: Cross multiply
    36,883.89x = 50,899.79 × 20,968.40
  4. Step 4: Simplify right side
    36,883.89x = 1,067,287,336.31
  5. Step 5: Solve for x
    x = 1,067,287,336.31/36,883.89
  6. Step 6: Final answer
    x = 28,936.41

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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.