Home / 47,228.37-70,850.22-13,951.78

Finding the Fourth Proportional to 47,228.37, 70,850.22 and 13,951.78

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Solution

The fourth proportional to 47,228.37, 70,850.22 and 13,951.78 is: 20,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,228.37 : 70,850.22 = 13,951.78 : x
  2. Step 2: Convert to fraction form
    47,228.37/70,850.22 = 13,951.78/x
  3. Step 3: Cross multiply
    47,228.37x = 70,850.22 × 13,951.78
  4. Step 4: Simplify right side
    47,228.37x = 988,486,682.39
  5. Step 5: Solve for x
    x = 988,486,682.39/47,228.37
  6. Step 6: Final answer
    x = 20,929.93

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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.