Home / 31,986.66-48,000.72-14,456.64

Finding the Fourth Proportional to 31,986.66, 48,000.72 and 14,456.64

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Solution

The fourth proportional to 31,986.66, 48,000.72 and 14,456.64 is: 21,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.66 : 48,000.72 = 14,456.64 : x
  2. Step 2: Convert to fraction form
    31,986.66/48,000.72 = 14,456.64/x
  3. Step 3: Cross multiply
    31,986.66x = 48,000.72 × 14,456.64
  4. Step 4: Simplify right side
    31,986.66x = 693,929,128.78
  5. Step 5: Solve for x
    x = 693,929,128.78/31,986.66
  6. Step 6: Final answer
    x = 21,694.33

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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.