Home / 33,316.85-45,972.80-21,396.33

Finding the Fourth Proportional to 33,316.85, 45,972.80 and 21,396.33

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Solution

The fourth proportional to 33,316.85, 45,972.80 and 21,396.33 is: 29,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.85 : 45,972.80 = 21,396.33 : x
  2. Step 2: Convert to fraction form
    33,316.85/45,972.80 = 21,396.33/x
  3. Step 3: Cross multiply
    33,316.85x = 45,972.80 × 21,396.33
  4. Step 4: Simplify right side
    33,316.85x = 983,649,092.84
  5. Step 5: Solve for x
    x = 983,649,092.84/33,316.85
  6. Step 6: Final answer
    x = 29,524.08

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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.