Home / 31,608.33-47,398.47-16,813.88

Finding the Fourth Proportional to 31,608.33, 47,398.47 and 16,813.88

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Solution

The fourth proportional to 31,608.33, 47,398.47 and 16,813.88 is: 25,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,608.33 : 47,398.47 = 16,813.88 : x
  2. Step 2: Convert to fraction form
    31,608.33/47,398.47 = 16,813.88/x
  3. Step 3: Cross multiply
    31,608.33x = 47,398.47 × 16,813.88
  4. Step 4: Simplify right side
    31,608.33x = 796,952,064.46
  5. Step 5: Solve for x
    x = 796,952,064.46/31,608.33
  6. Step 6: Final answer
    x = 25,213.36

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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.