Home / 69,917.50-96,478.97-39,285.73

Finding the Fourth Proportional to 69,917.50, 96,478.97 and 39,285.73

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Solution

The fourth proportional to 69,917.50, 96,478.97 and 39,285.73 is: 54,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,917.50 : 96,478.97 = 39,285.73 : x
  2. Step 2: Convert to fraction form
    69,917.50/96,478.97 = 39,285.73/x
  3. Step 3: Cross multiply
    69,917.50x = 96,478.97 × 39,285.73
  4. Step 4: Simplify right side
    69,917.50x = 3,790,246,961.62
  5. Step 5: Solve for x
    x = 3,790,246,961.62/69,917.50
  6. Step 6: Final answer
    x = 54,210.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.