Home / 36,919.86-50,950.56-21,006.60

Finding the Fourth Proportional to 36,919.86, 50,950.56 and 21,006.60

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Solution

The fourth proportional to 36,919.86, 50,950.56 and 21,006.60 is: 28,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,919.86 : 50,950.56 = 21,006.60 : x
  2. Step 2: Convert to fraction form
    36,919.86/50,950.56 = 21,006.60/x
  3. Step 3: Cross multiply
    36,919.86x = 50,950.56 × 21,006.60
  4. Step 4: Simplify right side
    36,919.86x = 1,070,298,033.70
  5. Step 5: Solve for x
    x = 1,070,298,033.70/36,919.86
  6. Step 6: Final answer
    x = 28,989.76

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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.