Home / 30,245.97-41,740.40-16,817.79

Finding the Fourth Proportional to 30,245.97, 41,740.40 and 16,817.79

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Solution

The fourth proportional to 30,245.97, 41,740.40 and 16,817.79 is: 23,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.97 : 41,740.40 = 16,817.79 : x
  2. Step 2: Convert to fraction form
    30,245.97/41,740.40 = 16,817.79/x
  3. Step 3: Cross multiply
    30,245.97x = 41,740.40 × 16,817.79
  4. Step 4: Simplify right side
    30,245.97x = 701,981,281.72
  5. Step 5: Solve for x
    x = 701,981,281.72/30,245.97
  6. Step 6: Final answer
    x = 23,209.08

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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.