Home / 33,531.28-46,277.18-20,109.91

Finding the Fourth Proportional to 33,531.28, 46,277.18 and 20,109.91

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Solution

The fourth proportional to 33,531.28, 46,277.18 and 20,109.91 is: 27,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,531.28 : 46,277.18 = 20,109.91 : x
  2. Step 2: Convert to fraction form
    33,531.28/46,277.18 = 20,109.91/x
  3. Step 3: Cross multiply
    33,531.28x = 46,277.18 × 20,109.91
  4. Step 4: Simplify right side
    33,531.28x = 930,629,924.85
  5. Step 5: Solve for x
    x = 930,629,924.85/33,531.28
  6. Step 6: Final answer
    x = 27,754.08

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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.