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Finding the Fourth Proportional to 50,666.80, 76,000.12 and 13,730.80

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Solution

The fourth proportional to 50,666.80, 76,000.12 and 13,730.80 is: 20,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,666.80 : 76,000.12 = 13,730.80 : x
  2. Step 2: Convert to fraction form
    50,666.80/76,000.12 = 13,730.80/x
  3. Step 3: Cross multiply
    50,666.80x = 76,000.12 × 13,730.80
  4. Step 4: Simplify right side
    50,666.80x = 1,043,542,447.70
  5. Step 5: Solve for x
    x = 1,043,542,447.70/50,666.80
  6. Step 6: Final answer
    x = 20,596.18

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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.