Home / 31,729.92-47,579.28-13,004.88

Finding the Fourth Proportional to 31,729.92, 47,579.28 and 13,004.88

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Solution

The fourth proportional to 31,729.92, 47,579.28 and 13,004.88 is: 19,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.92 : 47,579.28 = 13,004.88 : x
  2. Step 2: Convert to fraction form
    31,729.92/47,579.28 = 13,004.88/x
  3. Step 3: Cross multiply
    31,729.92x = 47,579.28 × 13,004.88
  4. Step 4: Simplify right side
    31,729.92x = 618,762,826.89
  5. Step 5: Solve for x
    x = 618,762,826.89/31,729.92
  6. Step 6: Final answer
    x = 19,500.93

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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.