Home / 55,264.20-82,879.89-20,195.67

Finding the Fourth Proportional to 55,264.20, 82,879.89 and 20,195.67

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Solution

The fourth proportional to 55,264.20, 82,879.89 and 20,195.67 is: 30,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,264.20 : 82,879.89 = 20,195.67 : x
  2. Step 2: Convert to fraction form
    55,264.20/82,879.89 = 20,195.67/x
  3. Step 3: Cross multiply
    55,264.20x = 82,879.89 × 20,195.67
  4. Step 4: Simplify right side
    55,264.20x = 1,673,814,908.08
  5. Step 5: Solve for x
    x = 1,673,814,908.08/55,264.20
  6. Step 6: Final answer
    x = 30,287.51

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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.