Home / 34,321.76-47,373.36-28,100.96

Finding the Fourth Proportional to 34,321.76, 47,373.36 and 28,100.96

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Solution

The fourth proportional to 34,321.76, 47,373.36 and 28,100.96 is: 38,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,321.76 : 47,373.36 = 28,100.96 : x
  2. Step 2: Convert to fraction form
    34,321.76/47,373.36 = 28,100.96/x
  3. Step 3: Cross multiply
    34,321.76x = 47,373.36 × 28,100.96
  4. Step 4: Simplify right side
    34,321.76x = 1,331,236,894.43
  5. Step 5: Solve for x
    x = 1,331,236,894.43/34,321.76
  6. Step 6: Final answer
    x = 38,786.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.