Home / 33,133.26-45,707.79-19,695

Finding the Fourth Proportional to 33,133.26, 45,707.79 and 19,695

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Solution

The fourth proportional to 33,133.26, 45,707.79 and 19,695 is: 27,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,133.26 : 45,707.79 = 19,695 : x
  2. Step 2: Convert to fraction form
    33,133.26/45,707.79 = 19,695/x
  3. Step 3: Cross multiply
    33,133.26x = 45,707.79 × 19,695
  4. Step 4: Simplify right side
    33,133.26x = 900,214,924.05
  5. Step 5: Solve for x
    x = 900,214,924.05/33,133.26
  6. Step 6: Final answer
    x = 27,169.52

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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.