Home / 33,282.45-49,909.39-12,215.57

Finding the Fourth Proportional to 33,282.45, 49,909.39 and 12,215.57

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Solution

The fourth proportional to 33,282.45, 49,909.39 and 12,215.57 is: 18,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,282.45 : 49,909.39 = 12,215.57 : x
  2. Step 2: Convert to fraction form
    33,282.45/49,909.39 = 12,215.57/x
  3. Step 3: Cross multiply
    33,282.45x = 49,909.39 × 12,215.57
  4. Step 4: Simplify right side
    33,282.45x = 609,671,367.12
  5. Step 5: Solve for x
    x = 609,671,367.12/33,282.45
  6. Step 6: Final answer
    x = 18,318.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.