Home / 33,222.36-45,846.18-18,318.36

Finding the Fourth Proportional to 33,222.36, 45,846.18 and 18,318.36

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Solution

The fourth proportional to 33,222.36, 45,846.18 and 18,318.36 is: 25,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,222.36 : 45,846.18 = 18,318.36 : x
  2. Step 2: Convert to fraction form
    33,222.36/45,846.18 = 18,318.36/x
  3. Step 3: Cross multiply
    33,222.36x = 45,846.18 × 18,318.36
  4. Step 4: Simplify right side
    33,222.36x = 839,826,829.86
  5. Step 5: Solve for x
    x = 839,826,829.86/33,222.36
  6. Step 6: Final answer
    x = 25,278.96

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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.