Home / 33,428.24-46,101.52-20,679.39

Finding the Fourth Proportional to 33,428.24, 46,101.52 and 20,679.39

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Solution

The fourth proportional to 33,428.24, 46,101.52 and 20,679.39 is: 28,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.24 : 46,101.52 = 20,679.39 : x
  2. Step 2: Convert to fraction form
    33,428.24/46,101.52 = 20,679.39/x
  3. Step 3: Cross multiply
    33,428.24x = 46,101.52 × 20,679.39
  4. Step 4: Simplify right side
    33,428.24x = 953,351,208.28
  5. Step 5: Solve for x
    x = 953,351,208.28/33,428.24
  6. Step 6: Final answer
    x = 28,519.34

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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.