Home / 33,040.19-49,559.85-8,080.45

Finding the Fourth Proportional to 33,040.19, 49,559.85 and 8,080.45

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Solution

The fourth proportional to 33,040.19, 49,559.85 and 8,080.45 is: 12,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,040.19 : 49,559.85 = 8,080.45 : x
  2. Step 2: Convert to fraction form
    33,040.19/49,559.85 = 8,080.45/x
  3. Step 3: Cross multiply
    33,040.19x = 49,559.85 × 8,080.45
  4. Step 4: Simplify right side
    33,040.19x = 400,465,642.13
  5. Step 5: Solve for x
    x = 400,465,642.13/33,040.19
  6. Step 6: Final answer
    x = 12,120.56

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1.5x scale

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.