Home / 47,390.65-71,062.19-15,789.60

Finding the Fourth Proportional to 47,390.65, 71,062.19 and 15,789.60

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Solution

The fourth proportional to 47,390.65, 71,062.19 and 15,789.60 is: 23,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390.65 : 71,062.19 = 15,789.60 : x
  2. Step 2: Convert to fraction form
    47,390.65/71,062.19 = 15,789.60/x
  3. Step 3: Cross multiply
    47,390.65x = 71,062.19 × 15,789.60
  4. Step 4: Simplify right side
    47,390.65x = 1,122,043,555.22
  5. Step 5: Solve for x
    x = 1,122,043,555.22/47,390.65
  6. Step 6: Final answer
    x = 23,676.48

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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.