Home / 31,852.03-47,785.20-10,790.86

Finding the Fourth Proportional to 31,852.03, 47,785.20 and 10,790.86

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Solution

The fourth proportional to 31,852.03, 47,785.20 and 10,790.86 is: 16,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852.03 : 47,785.20 = 10,790.86 : x
  2. Step 2: Convert to fraction form
    31,852.03/47,785.20 = 10,790.86/x
  3. Step 3: Cross multiply
    31,852.03x = 47,785.20 × 10,790.86
  4. Step 4: Simplify right side
    31,852.03x = 515,643,403.27
  5. Step 5: Solve for x
    x = 515,643,403.27/31,852.03
  6. Step 6: Final answer
    x = 16,188.71

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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.