Home / 31,874.42-47,811.08-11,097.38

Finding the Fourth Proportional to 31,874.42, 47,811.08 and 11,097.38

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Solution

The fourth proportional to 31,874.42, 47,811.08 and 11,097.38 is: 16,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,874.42 : 47,811.08 = 11,097.38 : x
  2. Step 2: Convert to fraction form
    31,874.42/47,811.08 = 11,097.38/x
  3. Step 3: Cross multiply
    31,874.42x = 47,811.08 × 11,097.38
  4. Step 4: Simplify right side
    31,874.42x = 530,577,428.43
  5. Step 5: Solve for x
    x = 530,577,428.43/31,874.42
  6. Step 6: Final answer
    x = 16,645.87

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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.