Home / 55,263.20-82,878.39-20,194.67

Finding the Fourth Proportional to 55,263.20, 82,878.39 and 20,194.67

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Solution

The fourth proportional to 55,263.20, 82,878.39 and 20,194.67 is: 30,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,263.20 : 82,878.39 = 20,194.67 : x
  2. Step 2: Convert to fraction form
    55,263.20/82,878.39 = 20,194.67/x
  3. Step 3: Cross multiply
    55,263.20x = 82,878.39 × 20,194.67
  4. Step 4: Simplify right side
    55,263.20x = 1,673,701,736.18
  5. Step 5: Solve for x
    x = 1,673,701,736.18/55,263.20
  6. Step 6: Final answer
    x = 30,286.01

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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.