Home / 30,348.87-45,523.73-11,629.86

Finding the Fourth Proportional to 30,348.87, 45,523.73 and 11,629.86

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Solution

The fourth proportional to 30,348.87, 45,523.73 and 11,629.86 is: 17,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.87 : 45,523.73 = 11,629.86 : x
  2. Step 2: Convert to fraction form
    30,348.87/45,523.73 = 11,629.86/x
  3. Step 3: Cross multiply
    30,348.87x = 45,523.73 × 11,629.86
  4. Step 4: Simplify right side
    30,348.87x = 529,434,606.58
  5. Step 5: Solve for x
    x = 529,434,606.58/30,348.87
  6. Step 6: Final answer
    x = 17,444.95

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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.