Home / 50,185.92-75,278.92-12,748.80

Finding the Fourth Proportional to 50,185.92, 75,278.92 and 12,748.80

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Solution

The fourth proportional to 50,185.92, 75,278.92 and 12,748.80 is: 19,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,185.92 : 75,278.92 = 12,748.80 : x
  2. Step 2: Convert to fraction form
    50,185.92/75,278.92 = 12,748.80/x
  3. Step 3: Cross multiply
    50,185.92x = 75,278.92 × 12,748.80
  4. Step 4: Simplify right side
    50,185.92x = 959,715,895.30
  5. Step 5: Solve for x
    x = 959,715,895.30/50,185.92
  6. Step 6: Final answer
    x = 19,123.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.