Home / 33,139.53-45,734.22-18,992.34

Finding the Fourth Proportional to 33,139.53, 45,734.22 and 18,992.34

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Solution

The fourth proportional to 33,139.53, 45,734.22 and 18,992.34 is: 26,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.53 : 45,734.22 = 18,992.34 : x
  2. Step 2: Convert to fraction form
    33,139.53/45,734.22 = 18,992.34/x
  3. Step 3: Cross multiply
    33,139.53x = 45,734.22 × 18,992.34
  4. Step 4: Simplify right side
    33,139.53x = 868,599,855.87
  5. Step 5: Solve for x
    x = 868,599,855.87/33,139.53
  6. Step 6: Final answer
    x = 26,210.39

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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.