Home / 30,210.70-41,697.44-16,786.57

Finding the Fourth Proportional to 30,210.70, 41,697.44 and 16,786.57

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Solution

The fourth proportional to 30,210.70, 41,697.44 and 16,786.57 is: 23,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210.70 : 41,697.44 = 16,786.57 : x
  2. Step 2: Convert to fraction form
    30,210.70/41,697.44 = 16,786.57/x
  3. Step 3: Cross multiply
    30,210.70x = 41,697.44 × 16,786.57
  4. Step 4: Simplify right side
    30,210.70x = 699,956,911.45
  5. Step 5: Solve for x
    x = 699,956,911.45/30,210.70
  6. Step 6: Final answer
    x = 23,169.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.