Home / 53,039.03-73,194.32-30,380.09

Finding the Fourth Proportional to 53,039.03, 73,194.32 and 30,380.09

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Solution

The fourth proportional to 53,039.03, 73,194.32 and 30,380.09 is: 41,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,039.03 : 73,194.32 = 30,380.09 : x
  2. Step 2: Convert to fraction form
    53,039.03/73,194.32 = 30,380.09/x
  3. Step 3: Cross multiply
    53,039.03x = 73,194.32 × 30,380.09
  4. Step 4: Simplify right side
    53,039.03x = 2,223,650,029.09
  5. Step 5: Solve for x
    x = 2,223,650,029.09/53,039.03
  6. Step 6: Final answer
    x = 41,924.79

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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.