Home / 31,696.12-47,544.18-10,918

Finding the Fourth Proportional to 31,696.12, 47,544.18 and 10,918

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Solution

The fourth proportional to 31,696.12, 47,544.18 and 10,918 is: 16,377

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696.12 : 47,544.18 = 10,918 : x
  2. Step 2: Convert to fraction form
    31,696.12/47,544.18 = 10,918/x
  3. Step 3: Cross multiply
    31,696.12x = 47,544.18 × 10,918
  4. Step 4: Simplify right side
    31,696.12x = 519,087,357.24
  5. Step 5: Solve for x
    x = 519,087,357.24/31,696.12
  6. Step 6: Final answer
    x = 16,377

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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.