Home / 33,186.40-49,779.58-9,811

Finding the Fourth Proportional to 33,186.40, 49,779.58 and 9,811

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Solution

The fourth proportional to 33,186.40, 49,779.58 and 9,811 is: 14,716.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,186.40 : 49,779.58 = 9,811 : x
  2. Step 2: Convert to fraction form
    33,186.40/49,779.58 = 9,811/x
  3. Step 3: Cross multiply
    33,186.40x = 49,779.58 × 9,811
  4. Step 4: Simplify right side
    33,186.40x = 488,387,459.38
  5. Step 5: Solve for x
    x = 488,387,459.38/33,186.40
  6. Step 6: Final answer
    x = 14,716.49

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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.