Home / 33,997.12-46,917.32-18,890.90

Finding the Fourth Proportional to 33,997.12, 46,917.32 and 18,890.90

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Solution

The fourth proportional to 33,997.12, 46,917.32 and 18,890.90 is: 26,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,997.12 : 46,917.32 = 18,890.90 : x
  2. Step 2: Convert to fraction form
    33,997.12/46,917.32 = 18,890.90/x
  3. Step 3: Cross multiply
    33,997.12x = 46,917.32 × 18,890.90
  4. Step 4: Simplify right side
    33,997.12x = 886,310,400.39
  5. Step 5: Solve for x
    x = 886,310,400.39/33,997.12
  6. Step 6: Final answer
    x = 26,070.16

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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.