Home / 31,698.16-47,531.85-15,896.41

Finding the Fourth Proportional to 31,698.16, 47,531.85 and 15,896.41

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Solution

The fourth proportional to 31,698.16, 47,531.85 and 15,896.41 is: 23,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,698.16 : 47,531.85 = 15,896.41 : x
  2. Step 2: Convert to fraction form
    31,698.16/47,531.85 = 15,896.41/x
  3. Step 3: Cross multiply
    31,698.16x = 47,531.85 × 15,896.41
  4. Step 4: Simplify right side
    31,698.16x = 755,585,775.66
  5. Step 5: Solve for x
    x = 755,585,775.66/31,698.16
  6. Step 6: Final answer
    x = 23,836.90

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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.