Home / 33,645.05-46,419.66-20,219.30

Finding the Fourth Proportional to 33,645.05, 46,419.66 and 20,219.30

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Solution

The fourth proportional to 33,645.05, 46,419.66 and 20,219.30 is: 27,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,645.05 : 46,419.66 = 20,219.30 : x
  2. Step 2: Convert to fraction form
    33,645.05/46,419.66 = 20,219.30/x
  3. Step 3: Cross multiply
    33,645.05x = 46,419.66 × 20,219.30
  4. Step 4: Simplify right side
    33,645.05x = 938,573,031.44
  5. Step 5: Solve for x
    x = 938,573,031.44/33,645.05
  6. Step 6: Final answer
    x = 27,896.32

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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.