Home / 33,205.60-49,808.40-30,872.80

Finding the Fourth Proportional to 33,205.60, 49,808.40 and 30,872.80

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Solution

The fourth proportional to 33,205.60, 49,808.40 and 30,872.80 is: 46,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,205.60 : 49,808.40 = 30,872.80 : x
  2. Step 2: Convert to fraction form
    33,205.60/49,808.40 = 30,872.80/x
  3. Step 3: Cross multiply
    33,205.60x = 49,808.40 × 30,872.80
  4. Step 4: Simplify right side
    33,205.60x = 1,537,724,771.52
  5. Step 5: Solve for x
    x = 1,537,724,771.52/33,205.60
  6. Step 6: Final answer
    x = 46,309.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.