Home / 36,000.43-49,680.40-20,084.84

Finding the Fourth Proportional to 36,000.43, 49,680.40 and 20,084.84

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Solution

The fourth proportional to 36,000.43, 49,680.40 and 20,084.84 is: 27,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000.43 : 49,680.40 = 20,084.84 : x
  2. Step 2: Convert to fraction form
    36,000.43/49,680.40 = 20,084.84/x
  3. Step 3: Cross multiply
    36,000.43x = 49,680.40 × 20,084.84
  4. Step 4: Simplify right side
    36,000.43x = 997,822,885.14
  5. Step 5: Solve for x
    x = 997,822,885.14/36,000.43
  6. Step 6: Final answer
    x = 27,716.97

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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.