Home / 84,285.26-126,446.37-31,694.73

Finding the Fourth Proportional to 84,285.26, 126,446.37 and 31,694.73

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Solution

The fourth proportional to 84,285.26, 126,446.37 and 31,694.73 is: 47,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,285.26 : 126,446.37 = 31,694.73 : x
  2. Step 2: Convert to fraction form
    84,285.26/126,446.37 = 31,694.73/x
  3. Step 3: Cross multiply
    84,285.26x = 126,446.37 × 31,694.73
  4. Step 4: Simplify right side
    84,285.26x = 4,007,682,963.60
  5. Step 5: Solve for x
    x = 4,007,682,963.60/84,285.26
  6. Step 6: Final answer
    x = 47,549.04

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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.