Home / 33,218.60-49,797.96-12,143.68

Finding the Fourth Proportional to 33,218.60, 49,797.96 and 12,143.68

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Solution

The fourth proportional to 33,218.60, 49,797.96 and 12,143.68 is: 18,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.60 : 49,797.96 = 12,143.68 : x
  2. Step 2: Convert to fraction form
    33,218.60/49,797.96 = 12,143.68/x
  3. Step 3: Cross multiply
    33,218.60x = 49,797.96 × 12,143.68
  4. Step 4: Simplify right side
    33,218.60x = 604,730,490.89
  5. Step 5: Solve for x
    x = 604,730,490.89/33,218.60
  6. Step 6: Final answer
    x = 18,204.57

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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.