Home / 39,932.34-59,847.62-21,221.34

Finding the Fourth Proportional to 39,932.34, 59,847.62 and 21,221.34

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Solution

The fourth proportional to 39,932.34, 59,847.62 and 21,221.34 is: 31,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.34 : 59,847.62 = 21,221.34 : x
  2. Step 2: Convert to fraction form
    39,932.34/59,847.62 = 21,221.34/x
  3. Step 3: Cross multiply
    39,932.34x = 59,847.62 × 21,221.34
  4. Step 4: Simplify right side
    39,932.34x = 1,270,046,745.26
  5. Step 5: Solve for x
    x = 1,270,046,745.26/39,932.34
  6. Step 6: Final answer
    x = 31,804.97

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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.