Home / 36,876.99-50,890.27-20,961.44

Finding the Fourth Proportional to 36,876.99, 50,890.27 and 20,961.44

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Solution

The fourth proportional to 36,876.99, 50,890.27 and 20,961.44 is: 28,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,876.99 : 50,890.27 = 20,961.44 : x
  2. Step 2: Convert to fraction form
    36,876.99/50,890.27 = 20,961.44/x
  3. Step 3: Cross multiply
    36,876.99x = 50,890.27 × 20,961.44
  4. Step 4: Simplify right side
    36,876.99x = 1,066,733,341.19
  5. Step 5: Solve for x
    x = 1,066,733,341.19/36,876.99
  6. Step 6: Final answer
    x = 28,926.80

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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.