Home / 50,949.12-76,378.08-19,776.96

Finding the Fourth Proportional to 50,949.12, 76,378.08 and 19,776.96

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Solution

The fourth proportional to 50,949.12, 76,378.08 and 19,776.96 is: 29,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,949.12 : 76,378.08 = 19,776.96 : x
  2. Step 2: Convert to fraction form
    50,949.12/76,378.08 = 19,776.96/x
  3. Step 3: Cross multiply
    50,949.12x = 76,378.08 × 19,776.96
  4. Step 4: Simplify right side
    50,949.12x = 1,510,526,233.04
  5. Step 5: Solve for x
    x = 1,510,526,233.04/50,949.12
  6. Step 6: Final answer
    x = 29,647.74

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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.