Home / 47,806.96-71,719.56-18,222.32

Finding the Fourth Proportional to 47,806.96, 71,719.56 and 18,222.32

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Solution

The fourth proportional to 47,806.96, 71,719.56 and 18,222.32 is: 27,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,806.96 : 71,719.56 = 18,222.32 : x
  2. Step 2: Convert to fraction form
    47,806.96/71,719.56 = 18,222.32/x
  3. Step 3: Cross multiply
    47,806.96x = 71,719.56 × 18,222.32
  4. Step 4: Simplify right side
    47,806.96x = 1,306,896,772.58
  5. Step 5: Solve for x
    x = 1,306,896,772.58/47,806.96
  6. Step 6: Final answer
    x = 27,336.96

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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.