Home / 30,245.30-41,736.12-16,815.74

Finding the Fourth Proportional to 30,245.30, 41,736.12 and 16,815.74

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Solution

The fourth proportional to 30,245.30, 41,736.12 and 16,815.74 is: 23,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.30 : 41,736.12 = 16,815.74 : x
  2. Step 2: Convert to fraction form
    30,245.30/41,736.12 = 16,815.74/x
  3. Step 3: Cross multiply
    30,245.30x = 41,736.12 × 16,815.74
  4. Step 4: Simplify right side
    30,245.30x = 701,823,533.85
  5. Step 5: Solve for x
    x = 701,823,533.85/30,245.30
  6. Step 6: Final answer
    x = 23,204.39

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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.