Home / 47,993.45-71,991.86-12,933.95

Finding the Fourth Proportional to 47,993.45, 71,991.86 and 12,933.95

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Solution

The fourth proportional to 47,993.45, 71,991.86 and 12,933.95 is: 19,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,993.45 : 71,991.86 = 12,933.95 : x
  2. Step 2: Convert to fraction form
    47,993.45/71,991.86 = 12,933.95/x
  3. Step 3: Cross multiply
    47,993.45x = 71,991.86 × 12,933.95
  4. Step 4: Simplify right side
    47,993.45x = 931,138,693.02
  5. Step 5: Solve for x
    x = 931,138,693.02/47,993.45
  6. Step 6: Final answer
    x = 19,401.37

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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.