Home / 36,890.88-50,909.28-20,123.84

Finding the Fourth Proportional to 36,890.88, 50,909.28 and 20,123.84

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Solution

The fourth proportional to 36,890.88, 50,909.28 and 20,123.84 is: 27,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,890.88 : 50,909.28 = 20,123.84 : x
  2. Step 2: Convert to fraction form
    36,890.88/50,909.28 = 20,123.84/x
  3. Step 3: Cross multiply
    36,890.88x = 50,909.28 × 20,123.84
  4. Step 4: Simplify right side
    36,890.88x = 1,024,490,205.24
  5. Step 5: Solve for x
    x = 1,024,490,205.24/36,890.88
  6. Step 6: Final answer
    x = 27,770.83

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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.