Home / 51,475.31-77,219.21-18,188.56

Finding the Fourth Proportional to 51,475.31, 77,219.21 and 18,188.56

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Solution

The fourth proportional to 51,475.31, 77,219.21 and 18,188.56 is: 27,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,475.31 : 77,219.21 = 18,188.56 : x
  2. Step 2: Convert to fraction form
    51,475.31/77,219.21 = 18,188.56/x
  3. Step 3: Cross multiply
    51,475.31x = 77,219.21 × 18,188.56
  4. Step 4: Simplify right side
    51,475.31x = 1,404,505,757.20
  5. Step 5: Solve for x
    x = 1,404,505,757.20/51,475.31
  6. Step 6: Final answer
    x = 27,285.04

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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.