Home / 31,918.16-47,800.56-17,843.60

Finding the Fourth Proportional to 31,918.16, 47,800.56 and 17,843.60

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Solution

The fourth proportional to 31,918.16, 47,800.56 and 17,843.60 is: 26,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,918.16 : 47,800.56 = 17,843.60 : x
  2. Step 2: Convert to fraction form
    31,918.16/47,800.56 = 17,843.60/x
  3. Step 3: Cross multiply
    31,918.16x = 47,800.56 × 17,843.60
  4. Step 4: Simplify right side
    31,918.16x = 852,934,072.42
  5. Step 5: Solve for x
    x = 852,934,072.42/31,918.16
  6. Step 6: Final answer
    x = 26,722.53

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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.