Home / 33,218.98-45,841.34-18,111.67

Finding the Fourth Proportional to 33,218.98, 45,841.34 and 18,111.67

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Solution

The fourth proportional to 33,218.98, 45,841.34 and 18,111.67 is: 24,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.98 : 45,841.34 = 18,111.67 : x
  2. Step 2: Convert to fraction form
    33,218.98/45,841.34 = 18,111.67/x
  3. Step 3: Cross multiply
    33,218.98x = 45,841.34 × 18,111.67
  4. Step 4: Simplify right side
    33,218.98x = 830,263,153.11
  5. Step 5: Solve for x
    x = 830,263,153.11/33,218.98
  6. Step 6: Final answer
    x = 24,993.64

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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.