Home / 39,958.92-55,142.37-22,053.96

Finding the Fourth Proportional to 39,958.92, 55,142.37 and 22,053.96

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Solution

The fourth proportional to 39,958.92, 55,142.37 and 22,053.96 is: 30,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958.92 : 55,142.37 = 22,053.96 : x
  2. Step 2: Convert to fraction form
    39,958.92/55,142.37 = 22,053.96/x
  3. Step 3: Cross multiply
    39,958.92x = 55,142.37 × 22,053.96
  4. Step 4: Simplify right side
    39,958.92x = 1,216,107,622.29
  5. Step 5: Solve for x
    x = 1,216,107,622.29/39,958.92
  6. Step 6: Final answer
    x = 30,433.95

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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.