Home / 33,040.02-45,609.44-20,295.28

Finding the Fourth Proportional to 33,040.02, 45,609.44 and 20,295.28

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Solution

The fourth proportional to 33,040.02, 45,609.44 and 20,295.28 is: 28,016.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,040.02 : 45,609.44 = 20,295.28 : x
  2. Step 2: Convert to fraction form
    33,040.02/45,609.44 = 20,295.28/x
  3. Step 3: Cross multiply
    33,040.02x = 45,609.44 × 20,295.28
  4. Step 4: Simplify right side
    33,040.02x = 925,656,139.94
  5. Step 5: Solve for x
    x = 925,656,139.94/33,040.02
  6. Step 6: Final answer
    x = 28,016.21

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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.