Home / 39,572.73-54,610.37-21,668.83

Finding the Fourth Proportional to 39,572.73, 54,610.37 and 21,668.83

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Solution

The fourth proportional to 39,572.73, 54,610.37 and 21,668.83 is: 29,902.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,572.73 : 54,610.37 = 21,668.83 : x
  2. Step 2: Convert to fraction form
    39,572.73/54,610.37 = 21,668.83/x
  3. Step 3: Cross multiply
    39,572.73x = 54,610.37 × 21,668.83
  4. Step 4: Simplify right side
    39,572.73x = 1,183,342,823.77
  5. Step 5: Solve for x
    x = 1,183,342,823.77/39,572.73
  6. Step 6: Final answer
    x = 29,902.99

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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.