Home / 33,319.56-45,979.73-18,212.09

Finding the Fourth Proportional to 33,319.56, 45,979.73 and 18,212.09

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Solution

The fourth proportional to 33,319.56, 45,979.73 and 18,212.09 is: 25,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,319.56 : 45,979.73 = 18,212.09 : x
  2. Step 2: Convert to fraction form
    33,319.56/45,979.73 = 18,212.09/x
  3. Step 3: Cross multiply
    33,319.56x = 45,979.73 × 18,212.09
  4. Step 4: Simplify right side
    33,319.56x = 837,386,659.98
  5. Step 5: Solve for x
    x = 837,386,659.98/33,319.56
  6. Step 6: Final answer
    x = 25,131.98

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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.