Home / 31,764.64-47,659.96-11,002.72

Finding the Fourth Proportional to 31,764.64, 47,659.96 and 11,002.72

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Solution

The fourth proportional to 31,764.64, 47,659.96 and 11,002.72 is: 16,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.64 : 47,659.96 = 11,002.72 : x
  2. Step 2: Convert to fraction form
    31,764.64/47,659.96 = 11,002.72/x
  3. Step 3: Cross multiply
    31,764.64x = 47,659.96 × 11,002.72
  4. Step 4: Simplify right side
    31,764.64x = 524,389,195.09
  5. Step 5: Solve for x
    x = 524,389,195.09/31,764.64
  6. Step 6: Final answer
    x = 16,508.58

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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.