Home / 33,209.88-45,829.66-18,102.56

Finding the Fourth Proportional to 33,209.88, 45,829.66 and 18,102.56

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Solution

The fourth proportional to 33,209.88, 45,829.66 and 18,102.56 is: 24,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,209.88 : 45,829.66 = 18,102.56 : x
  2. Step 2: Convert to fraction form
    33,209.88/45,829.66 = 18,102.56/x
  3. Step 3: Cross multiply
    33,209.88x = 45,829.66 × 18,102.56
  4. Step 4: Simplify right side
    33,209.88x = 829,634,169.93
  5. Step 5: Solve for x
    x = 829,634,169.93/33,209.88
  6. Step 6: Final answer
    x = 24,981.55

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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.