Home / 36,893.93-50,913.38-20,978.37

Finding the Fourth Proportional to 36,893.93, 50,913.38 and 20,978.37

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Solution

The fourth proportional to 36,893.93, 50,913.38 and 20,978.37 is: 28,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,893.93 : 50,913.38 = 20,978.37 : x
  2. Step 2: Convert to fraction form
    36,893.93/50,913.38 = 20,978.37/x
  3. Step 3: Cross multiply
    36,893.93x = 50,913.38 × 20,978.37
  4. Step 4: Simplify right side
    36,893.93x = 1,068,079,723.59
  5. Step 5: Solve for x
    x = 1,068,079,723.59/36,893.93
  6. Step 6: Final answer
    x = 28,950.02

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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.