Home / 33,479.20-46,202.74-20,047.90

Finding the Fourth Proportional to 33,479.20, 46,202.74 and 20,047.90

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Solution

The fourth proportional to 33,479.20, 46,202.74 and 20,047.90 is: 27,666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,479.20 : 46,202.74 = 20,047.90 : x
  2. Step 2: Convert to fraction form
    33,479.20/46,202.74 = 20,047.90/x
  3. Step 3: Cross multiply
    33,479.20x = 46,202.74 × 20,047.90
  4. Step 4: Simplify right side
    33,479.20x = 926,267,911.25
  5. Step 5: Solve for x
    x = 926,267,911.25/33,479.20
  6. Step 6: Final answer
    x = 27,666.97

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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.