Home / 36,890.12-50,908.26-20,123

Finding the Fourth Proportional to 36,890.12, 50,908.26 and 20,123

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Solution

The fourth proportional to 36,890.12, 50,908.26 and 20,123 is: 27,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,890.12 : 50,908.26 = 20,123 : x
  2. Step 2: Convert to fraction form
    36,890.12/50,908.26 = 20,123/x
  3. Step 3: Cross multiply
    36,890.12x = 50,908.26 × 20,123
  4. Step 4: Simplify right side
    36,890.12x = 1,024,426,915.98
  5. Step 5: Solve for x
    x = 1,024,426,915.98/36,890.12
  6. Step 6: Final answer
    x = 27,769.68

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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.