Home / 33,172.81-45,778.43-18,065.45

Finding the Fourth Proportional to 33,172.81, 45,778.43 and 18,065.45

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Solution

The fourth proportional to 33,172.81, 45,778.43 and 18,065.45 is: 24,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.81 : 45,778.43 = 18,065.45 : x
  2. Step 2: Convert to fraction form
    33,172.81/45,778.43 = 18,065.45/x
  3. Step 3: Cross multiply
    33,172.81x = 45,778.43 × 18,065.45
  4. Step 4: Simplify right side
    33,172.81x = 827,008,097.85
  5. Step 5: Solve for x
    x = 827,008,097.85/33,172.81
  6. Step 6: Final answer
    x = 24,930.30

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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.