Home / 31,144.28-46,714.91-8,957.48

Finding the Fourth Proportional to 31,144.28, 46,714.91 and 8,957.48

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Solution

The fourth proportional to 31,144.28, 46,714.91 and 8,957.48 is: 13,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,144.28 : 46,714.91 = 8,957.48 : x
  2. Step 2: Convert to fraction form
    31,144.28/46,714.91 = 8,957.48/x
  3. Step 3: Cross multiply
    31,144.28x = 46,714.91 × 8,957.48
  4. Step 4: Simplify right side
    31,144.28x = 418,447,593.66
  5. Step 5: Solve for x
    x = 418,447,593.66/31,144.28
  6. Step 6: Final answer
    x = 13,435.78

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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.