Home / 33,205.68-45,836.10-20,460.96

Finding the Fourth Proportional to 33,205.68, 45,836.10 and 20,460.96

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Solution

The fourth proportional to 33,205.68, 45,836.10 and 20,460.96 is: 28,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,205.68 : 45,836.10 = 20,460.96 : x
  2. Step 2: Convert to fraction form
    33,205.68/45,836.10 = 20,460.96/x
  3. Step 3: Cross multiply
    33,205.68x = 45,836.10 × 20,460.96
  4. Step 4: Simplify right side
    33,205.68x = 937,850,608.66
  5. Step 5: Solve for x
    x = 937,850,608.66/33,205.68
  6. Step 6: Final answer
    x = 28,243.68

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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.