Home / 33,245.07-45,884.15-19,817.20

Finding the Fourth Proportional to 33,245.07, 45,884.15 and 19,817.20

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Solution

The fourth proportional to 33,245.07, 45,884.15 and 19,817.20 is: 27,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,245.07 : 45,884.15 = 19,817.20 : x
  2. Step 2: Convert to fraction form
    33,245.07/45,884.15 = 19,817.20/x
  3. Step 3: Cross multiply
    33,245.07x = 45,884.15 × 19,817.20
  4. Step 4: Simplify right side
    33,245.07x = 909,295,377.38
  5. Step 5: Solve for x
    x = 909,295,377.38/33,245.07
  6. Step 6: Final answer
    x = 27,351.28

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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.