Home / 36,877.76-50,896.32-20,968.64

Finding the Fourth Proportional to 36,877.76, 50,896.32 and 20,968.64

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Solution

The fourth proportional to 36,877.76, 50,896.32 and 20,968.64 is: 28,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,877.76 : 50,896.32 = 20,968.64 : x
  2. Step 2: Convert to fraction form
    36,877.76/50,896.32 = 20,968.64/x
  3. Step 3: Cross multiply
    36,877.76x = 50,896.32 × 20,968.64
  4. Step 4: Simplify right side
    36,877.76x = 1,067,226,611.40
  5. Step 5: Solve for x
    x = 1,067,226,611.40/36,877.76
  6. Step 6: Final answer
    x = 28,939.57

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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.