Home / 35,919.86-53,879.99-12,546.09

Finding the Fourth Proportional to 35,919.86, 53,879.99 and 12,546.09

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Solution

The fourth proportional to 35,919.86, 53,879.99 and 12,546.09 is: 18,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,919.86 : 53,879.99 = 12,546.09 : x
  2. Step 2: Convert to fraction form
    35,919.86/53,879.99 = 12,546.09/x
  3. Step 3: Cross multiply
    35,919.86x = 53,879.99 × 12,546.09
  4. Step 4: Simplify right side
    35,919.86x = 675,983,141.01
  5. Step 5: Solve for x
    x = 675,983,141.01/35,919.86
  6. Step 6: Final answer
    x = 18,819.21

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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.