Home / 35,514.70-49,018.66-20,416.12

Finding the Fourth Proportional to 35,514.70, 49,018.66 and 20,416.12

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Solution

The fourth proportional to 35,514.70, 49,018.66 and 20,416.12 is: 28,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,514.70 : 49,018.66 = 20,416.12 : x
  2. Step 2: Convert to fraction form
    35,514.70/49,018.66 = 20,416.12/x
  3. Step 3: Cross multiply
    35,514.70x = 49,018.66 × 20,416.12
  4. Step 4: Simplify right side
    35,514.70x = 1,000,770,844.80
  5. Step 5: Solve for x
    x = 1,000,770,844.80/35,514.70
  6. Step 6: Final answer
    x = 28,179.06

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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.