Home / 31,954,825.80-47,932,238.70-21,751,158.60

Finding the Fourth Proportional to 31,954,825.80, 47,932,238.70 and 21,751,158.60

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Solution

The fourth proportional to 31,954,825.80, 47,932,238.70 and 21,751,158.60 is: 32,626,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,954,825.80 : 47,932,238.70 = 21,751,158.60 : x
  2. Step 2: Convert to fraction form
    31,954,825.80/47,932,238.70 = 21,751,158.60/x
  3. Step 3: Cross multiply
    31,954,825.80x = 47,932,238.70 × 21,751,158.60
  4. Step 4: Simplify right side
    31,954,825.80x = 1,042,581,726,016,758
  5. Step 5: Solve for x
    x = 1,042,581,726,016,758/31,954,825.80
  6. Step 6: Final answer
    x = 32,626,737.90

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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.