Home / 31,251.03-46,894.77-12,540.03

Finding the Fourth Proportional to 31,251.03, 46,894.77 and 12,540.03

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Solution

The fourth proportional to 31,251.03, 46,894.77 and 12,540.03 is: 18,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.03 : 46,894.77 = 12,540.03 : x
  2. Step 2: Convert to fraction form
    31,251.03/46,894.77 = 12,540.03/x
  3. Step 3: Cross multiply
    31,251.03x = 46,894.77 × 12,540.03
  4. Step 4: Simplify right side
    31,251.03x = 588,061,822.64
  5. Step 5: Solve for x
    x = 588,061,822.64/31,251.03
  6. Step 6: Final answer
    x = 18,817.36

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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.