Home / 30,356.10-45,514.35-27,245.70

Finding the Fourth Proportional to 30,356.10, 45,514.35 and 27,245.70

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Solution

The fourth proportional to 30,356.10, 45,514.35 and 27,245.70 is: 40,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356.10 : 45,514.35 = 27,245.70 : x
  2. Step 2: Convert to fraction form
    30,356.10/45,514.35 = 27,245.70/x
  3. Step 3: Cross multiply
    30,356.10x = 45,514.35 × 27,245.70
  4. Step 4: Simplify right side
    30,356.10x = 1,240,070,325.80
  5. Step 5: Solve for x
    x = 1,240,070,325.80/30,356.10
  6. Step 6: Final answer
    x = 40,850.78

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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.