Home / 30,195.27-45,336.65-21,884.67

Finding the Fourth Proportional to 30,195.27, 45,336.65 and 21,884.67

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Solution

The fourth proportional to 30,195.27, 45,336.65 and 21,884.67 is: 32,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.27 : 45,336.65 = 21,884.67 : x
  2. Step 2: Convert to fraction form
    30,195.27/45,336.65 = 21,884.67/x
  3. Step 3: Cross multiply
    30,195.27x = 45,336.65 × 21,884.67
  4. Step 4: Simplify right side
    30,195.27x = 992,177,514.73
  5. Step 5: Solve for x
    x = 992,177,514.73/30,195.27
  6. Step 6: Final answer
    x = 32,858.71

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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.