Home / 47,708.84-71,563.20-18,119.60

Finding the Fourth Proportional to 47,708.84, 71,563.20 and 18,119.60

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Solution

The fourth proportional to 47,708.84, 71,563.20 and 18,119.60 is: 27,179.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,708.84 : 71,563.20 = 18,119.60 : x
  2. Step 2: Convert to fraction form
    47,708.84/71,563.20 = 18,119.60/x
  3. Step 3: Cross multiply
    47,708.84x = 71,563.20 × 18,119.60
  4. Step 4: Simplify right side
    47,708.84x = 1,296,696,558.72
  5. Step 5: Solve for x
    x = 1,296,696,558.72/47,708.84
  6. Step 6: Final answer
    x = 27,179.38

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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.