Home / 30,206.20-41,682.78-16,776.67

Finding the Fourth Proportional to 30,206.20, 41,682.78 and 16,776.67

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Solution

The fourth proportional to 30,206.20, 41,682.78 and 16,776.67 is: 23,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.20 : 41,682.78 = 16,776.67 : x
  2. Step 2: Convert to fraction form
    30,206.20/41,682.78 = 16,776.67/x
  3. Step 3: Cross multiply
    30,206.20x = 41,682.78 × 16,776.67
  4. Step 4: Simplify right side
    30,206.20x = 699,298,244.74
  5. Step 5: Solve for x
    x = 699,298,244.74/30,206.20
  6. Step 6: Final answer
    x = 23,150.82

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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.