Home / 33,029.20-45,587.25-21,090.46

Finding the Fourth Proportional to 33,029.20, 45,587.25 and 21,090.46

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Solution

The fourth proportional to 33,029.20, 45,587.25 and 21,090.46 is: 29,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,029.20 : 45,587.25 = 21,090.46 : x
  2. Step 2: Convert to fraction form
    33,029.20/45,587.25 = 21,090.46/x
  3. Step 3: Cross multiply
    33,029.20x = 45,587.25 × 21,090.46
  4. Step 4: Simplify right side
    33,029.20x = 961,456,072.64
  5. Step 5: Solve for x
    x = 961,456,072.64/33,029.20
  6. Step 6: Final answer
    x = 29,109.28

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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.