Home / 33,030.66-45,571.20-18,873.48

Finding the Fourth Proportional to 33,030.66, 45,571.20 and 18,873.48

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Solution

The fourth proportional to 33,030.66, 45,571.20 and 18,873.48 is: 26,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,030.66 : 45,571.20 = 18,873.48 : x
  2. Step 2: Convert to fraction form
    33,030.66/45,571.20 = 18,873.48/x
  3. Step 3: Cross multiply
    33,030.66x = 45,571.20 × 18,873.48
  4. Step 4: Simplify right side
    33,030.66x = 860,087,131.78
  5. Step 5: Solve for x
    x = 860,087,131.78/33,030.66
  6. Step 6: Final answer
    x = 26,039.05

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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.