Home / 33,325.44-45,990.21-18,217.77

Finding the Fourth Proportional to 33,325.44, 45,990.21 and 18,217.77

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Solution

The fourth proportional to 33,325.44, 45,990.21 and 18,217.77 is: 25,141.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,325.44 : 45,990.21 = 18,217.77 : x
  2. Step 2: Convert to fraction form
    33,325.44/45,990.21 = 18,217.77/x
  3. Step 3: Cross multiply
    33,325.44x = 45,990.21 × 18,217.77
  4. Step 4: Simplify right side
    33,325.44x = 837,838,838.08
  5. Step 5: Solve for x
    x = 837,838,838.08/33,325.44
  6. Step 6: Final answer
    x = 25,141.12

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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.