Home / 32,972.10-45,517.26-18,822.21

Finding the Fourth Proportional to 32,972.10, 45,517.26 and 18,822.21

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Solution

The fourth proportional to 32,972.10, 45,517.26 and 18,822.21 is: 25,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,972.10 : 45,517.26 = 18,822.21 : x
  2. Step 2: Convert to fraction form
    32,972.10/45,517.26 = 18,822.21/x
  3. Step 3: Cross multiply
    32,972.10x = 45,517.26 × 18,822.21
  4. Step 4: Simplify right side
    32,972.10x = 856,735,198.76
  5. Step 5: Solve for x
    x = 856,735,198.76/32,972.10
  6. Step 6: Final answer
    x = 25,983.64

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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.