Home / 31,546.77-47,310.48-10,481.30

Finding the Fourth Proportional to 31,546.77, 47,310.48 and 10,481.30

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Solution

The fourth proportional to 31,546.77, 47,310.48 and 10,481.30 is: 15,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546.77 : 47,310.48 = 10,481.30 : x
  2. Step 2: Convert to fraction form
    31,546.77/47,310.48 = 10,481.30/x
  3. Step 3: Cross multiply
    31,546.77x = 47,310.48 × 10,481.30
  4. Step 4: Simplify right side
    31,546.77x = 495,875,274.89
  5. Step 5: Solve for x
    x = 495,875,274.89/31,546.77
  6. Step 6: Final answer
    x = 15,718.74

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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.