Home / 45,221.28-67,863.44-18,569.27

Finding the Fourth Proportional to 45,221.28, 67,863.44 and 18,569.27

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Solution

The fourth proportional to 45,221.28, 67,863.44 and 18,569.27 is: 27,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,221.28 : 67,863.44 = 18,569.27 : x
  2. Step 2: Convert to fraction form
    45,221.28/67,863.44 = 18,569.27/x
  3. Step 3: Cross multiply
    45,221.28x = 67,863.44 × 18,569.27
  4. Step 4: Simplify right side
    45,221.28x = 1,260,174,756.57
  5. Step 5: Solve for x
    x = 1,260,174,756.57/45,221.28
  6. Step 6: Final answer
    x = 27,866.86

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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.