Home / 47,765.46-71,652.72-19,687.38

Finding the Fourth Proportional to 47,765.46, 71,652.72 and 19,687.38

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Solution

The fourth proportional to 47,765.46, 71,652.72 and 19,687.38 is: 29,532.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,765.46 : 71,652.72 = 19,687.38 : x
  2. Step 2: Convert to fraction form
    47,765.46/71,652.72 = 19,687.38/x
  3. Step 3: Cross multiply
    47,765.46x = 71,652.72 × 19,687.38
  4. Step 4: Simplify right side
    47,765.46x = 1,410,654,326.67
  5. Step 5: Solve for x
    x = 1,410,654,326.67/47,765.46
  6. Step 6: Final answer
    x = 29,532.94

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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.