Home / 33,327.75-45,992.31-18,423.75

Finding the Fourth Proportional to 33,327.75, 45,992.31 and 18,423.75

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Solution

The fourth proportional to 33,327.75, 45,992.31 and 18,423.75 is: 25,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,327.75 : 45,992.31 = 18,423.75 : x
  2. Step 2: Convert to fraction form
    33,327.75/45,992.31 = 18,423.75/x
  3. Step 3: Cross multiply
    33,327.75x = 45,992.31 × 18,423.75
  4. Step 4: Simplify right side
    33,327.75x = 847,350,821.36
  5. Step 5: Solve for x
    x = 847,350,821.36/33,327.75
  6. Step 6: Final answer
    x = 25,424.78

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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.