Home / 30,202.20-41,677.27-16,772.67

Finding the Fourth Proportional to 30,202.20, 41,677.27 and 16,772.67

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Solution

The fourth proportional to 30,202.20, 41,677.27 and 16,772.67 is: 23,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,202.20 : 41,677.27 = 16,772.67 : x
  2. Step 2: Convert to fraction form
    30,202.20/41,677.27 = 16,772.67/x
  3. Step 3: Cross multiply
    30,202.20x = 41,677.27 × 16,772.67
  4. Step 4: Simplify right side
    30,202.20x = 699,039,054.28
  5. Step 5: Solve for x
    x = 699,039,054.28/30,202.20
  6. Step 6: Final answer
    x = 23,145.30

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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.