Home / 47,710.83-71,562.60-18,135.30

Finding the Fourth Proportional to 47,710.83, 71,562.60 and 18,135.30

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Solution

The fourth proportional to 47,710.83, 71,562.60 and 18,135.30 is: 27,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,710.83 : 71,562.60 = 18,135.30 : x
  2. Step 2: Convert to fraction form
    47,710.83/71,562.60 = 18,135.30/x
  3. Step 3: Cross multiply
    47,710.83x = 71,562.60 × 18,135.30
  4. Step 4: Simplify right side
    47,710.83x = 1,297,809,219.78
  5. Step 5: Solve for x
    x = 1,297,809,219.78/47,710.83
  6. Step 6: Final answer
    x = 27,201.56

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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.