Home / 53,942.31-80,940.80-35,942.85

Finding the Fourth Proportional to 53,942.31, 80,940.80 and 35,942.85

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Solution

The fourth proportional to 53,942.31, 80,940.80 and 35,942.85 is: 53,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,942.31 : 80,940.80 = 35,942.85 : x
  2. Step 2: Convert to fraction form
    53,942.31/80,940.80 = 35,942.85/x
  3. Step 3: Cross multiply
    53,942.31x = 80,940.80 × 35,942.85
  4. Step 4: Simplify right side
    53,942.31x = 2,909,242,853.57
  5. Step 5: Solve for x
    x = 2,909,242,853.57/53,942.31
  6. Step 6: Final answer
    x = 53,932.49

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1.5x scale

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.