Home / 30,583.87-45,888.05-13,951.73

Finding the Fourth Proportional to 30,583.87, 45,888.05 and 13,951.73

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Solution

The fourth proportional to 30,583.87, 45,888.05 and 13,951.73 is: 20,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,583.87 : 45,888.05 = 13,951.73 : x
  2. Step 2: Convert to fraction form
    30,583.87/45,888.05 = 13,951.73/x
  3. Step 3: Cross multiply
    30,583.87x = 45,888.05 × 13,951.73
  4. Step 4: Simplify right side
    30,583.87x = 640,217,833.43
  5. Step 5: Solve for x
    x = 640,217,833.43/30,583.87
  6. Step 6: Final answer
    x = 20,933.19

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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.