Home / 47,811.57-71,717.28-22,775.68

Finding the Fourth Proportional to 47,811.57, 71,717.28 and 22,775.68

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Solution

The fourth proportional to 47,811.57, 71,717.28 and 22,775.68 is: 34,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,811.57 : 71,717.28 = 22,775.68 : x
  2. Step 2: Convert to fraction form
    47,811.57/71,717.28 = 22,775.68/x
  3. Step 3: Cross multiply
    47,811.57x = 71,717.28 × 22,775.68
  4. Step 4: Simplify right side
    47,811.57x = 1,633,409,819.75
  5. Step 5: Solve for x
    x = 1,633,409,819.75/47,811.57
  6. Step 6: Final answer
    x = 34,163.48

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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.