Home / 31,954,830.80-47,932,246.20-21,751,163.60

Finding the Fourth Proportional to 31,954,830.80, 47,932,246.20 and 21,751,163.60

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Solution

The fourth proportional to 31,954,830.80, 47,932,246.20 and 21,751,163.60 is: 32,626,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,954,830.80 : 47,932,246.20 = 21,751,163.60 : x
  2. Step 2: Convert to fraction form
    31,954,830.80/47,932,246.20 = 21,751,163.60/x
  3. Step 3: Cross multiply
    31,954,830.80x = 47,932,246.20 × 21,751,163.60
  4. Step 4: Simplify right side
    31,954,830.80x = 1,042,582,128,811,678.50
  5. Step 5: Solve for x
    x = 1,042,582,128,811,678.50/31,954,830.80
  6. Step 6: Final answer
    x = 32,626,745.40

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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.