Home / 30,072.30-45,093.25-10,074.88

Finding the Fourth Proportional to 30,072.30, 45,093.25 and 10,074.88

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Solution

The fourth proportional to 30,072.30, 45,093.25 and 10,074.88 is: 15,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.30 : 45,093.25 = 10,074.88 : x
  2. Step 2: Convert to fraction form
    30,072.30/45,093.25 = 10,074.88/x
  3. Step 3: Cross multiply
    30,072.30x = 45,093.25 × 10,074.88
  4. Step 4: Simplify right side
    30,072.30x = 454,309,082.56
  5. Step 5: Solve for x
    x = 454,309,082.56/30,072.30
  6. Step 6: Final answer
    x = 15,107.23

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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.