Home / 51,765.12-71,437.44-30,562.56

Finding the Fourth Proportional to 51,765.12, 71,437.44 and 30,562.56

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Solution

The fourth proportional to 51,765.12, 71,437.44 and 30,562.56 is: 42,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,765.12 : 71,437.44 = 30,562.56 : x
  2. Step 2: Convert to fraction form
    51,765.12/71,437.44 = 30,562.56/x
  3. Step 3: Cross multiply
    51,765.12x = 71,437.44 × 30,562.56
  4. Step 4: Simplify right side
    51,765.12x = 2,183,311,046.25
  5. Step 5: Solve for x
    x = 2,183,311,046.25/51,765.12
  6. Step 6: Final answer
    x = 42,177.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.