Home / 55,128.85-82,680.67-27,020.77

Finding the Fourth Proportional to 55,128.85, 82,680.67 and 27,020.77

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Solution

The fourth proportional to 55,128.85, 82,680.67 and 27,020.77 is: 40,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,128.85 : 82,680.67 = 27,020.77 : x
  2. Step 2: Convert to fraction form
    55,128.85/82,680.67 = 27,020.77/x
  3. Step 3: Cross multiply
    55,128.85x = 82,680.67 × 27,020.77
  4. Step 4: Simplify right side
    55,128.85x = 2,234,095,367.52
  5. Step 5: Solve for x
    x = 2,234,095,367.52/55,128.85
  6. Step 6: Final answer
    x = 40,524.98

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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.