Home / 33,219.82-45,817.42-21,284.28

Finding the Fourth Proportional to 33,219.82, 45,817.42 and 21,284.28

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Solution

The fourth proportional to 33,219.82, 45,817.42 and 21,284.28 is: 29,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,219.82 : 45,817.42 = 21,284.28 : x
  2. Step 2: Convert to fraction form
    33,219.82/45,817.42 = 21,284.28/x
  3. Step 3: Cross multiply
    33,219.82x = 45,817.42 × 21,284.28
  4. Step 4: Simplify right side
    33,219.82x = 975,190,796.16
  5. Step 5: Solve for x
    x = 975,190,796.16/33,219.82
  6. Step 6: Final answer
    x = 29,355.69

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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.