Home / 30,229.18-41,715.75-16,800.09

Finding the Fourth Proportional to 30,229.18, 41,715.75 and 16,800.09

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Solution

The fourth proportional to 30,229.18, 41,715.75 and 16,800.09 is: 23,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.18 : 41,715.75 = 16,800.09 : x
  2. Step 2: Convert to fraction form
    30,229.18/41,715.75 = 16,800.09/x
  3. Step 3: Cross multiply
    30,229.18x = 41,715.75 × 16,800.09
  4. Step 4: Simplify right side
    30,229.18x = 700,828,354.42
  5. Step 5: Solve for x
    x = 700,828,354.42/30,229.18
  6. Step 6: Final answer
    x = 23,183.84

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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.