Home / 47,629.27-71,444.15-12,090.60

Finding the Fourth Proportional to 47,629.27, 71,444.15 and 12,090.60

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Solution

The fourth proportional to 47,629.27, 71,444.15 and 12,090.60 is: 18,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,629.27 : 71,444.15 = 12,090.60 : x
  2. Step 2: Convert to fraction form
    47,629.27/71,444.15 = 12,090.60/x
  3. Step 3: Cross multiply
    47,629.27x = 71,444.15 × 12,090.60
  4. Step 4: Simplify right side
    47,629.27x = 863,802,579.54
  5. Step 5: Solve for x
    x = 863,802,579.54/47,629.27
  6. Step 6: Final answer
    x = 18,135.96

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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.