Home / 30,717.70-46,074.39-11,994.28

Finding the Fourth Proportional to 30,717.70, 46,074.39 and 11,994.28

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Solution

The fourth proportional to 30,717.70, 46,074.39 and 11,994.28 is: 17,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,717.70 : 46,074.39 = 11,994.28 : x
  2. Step 2: Convert to fraction form
    30,717.70/46,074.39 = 11,994.28/x
  3. Step 3: Cross multiply
    30,717.70x = 46,074.39 × 11,994.28
  4. Step 4: Simplify right side
    30,717.70x = 552,629,134.49
  5. Step 5: Solve for x
    x = 552,629,134.49/30,717.70
  6. Step 6: Final answer
    x = 17,990.58

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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.