Home / 51,579.30-77,343.42-18,294.37

Finding the Fourth Proportional to 51,579.30, 77,343.42 and 18,294.37

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Solution

The fourth proportional to 51,579.30, 77,343.42 and 18,294.37 is: 27,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,579.30 : 77,343.42 = 18,294.37 : x
  2. Step 2: Convert to fraction form
    51,579.30/77,343.42 = 18,294.37/x
  3. Step 3: Cross multiply
    51,579.30x = 77,343.42 × 18,294.37
  4. Step 4: Simplify right side
    51,579.30x = 1,414,949,452.85
  5. Step 5: Solve for x
    x = 1,414,949,452.85/51,579.30
  6. Step 6: Final answer
    x = 27,432.51

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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.