Home / 30,246.85-41,734.68-18,311.30

Finding the Fourth Proportional to 30,246.85, 41,734.68 and 18,311.30

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Solution

The fourth proportional to 30,246.85, 41,734.68 and 18,311.30 is: 25,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.85 : 41,734.68 = 18,311.30 : x
  2. Step 2: Convert to fraction form
    30,246.85/41,734.68 = 18,311.30/x
  3. Step 3: Cross multiply
    30,246.85x = 41,734.68 × 18,311.30
  4. Step 4: Simplify right side
    30,246.85x = 764,216,125.05
  5. Step 5: Solve for x
    x = 764,216,125.05/30,246.85
  6. Step 6: Final answer
    x = 25,265.97

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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.