Home / 33,316.96-45,972.96-21,396.44

Finding the Fourth Proportional to 33,316.96, 45,972.96 and 21,396.44

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Solution

The fourth proportional to 33,316.96, 45,972.96 and 21,396.44 is: 29,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.96 : 45,972.96 = 21,396.44 : x
  2. Step 2: Convert to fraction form
    33,316.96/45,972.96 = 21,396.44/x
  3. Step 3: Cross multiply
    33,316.96x = 45,972.96 × 21,396.44
  4. Step 4: Simplify right side
    33,316.96x = 983,657,680.26
  5. Step 5: Solve for x
    x = 983,657,680.26/33,316.96
  6. Step 6: Final answer
    x = 29,524.23

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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.