Home / 51,459.87-77,153.36-19,843.14

Finding the Fourth Proportional to 51,459.87, 77,153.36 and 19,843.14

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Solution

The fourth proportional to 51,459.87, 77,153.36 and 19,843.14 is: 29,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.87 : 77,153.36 = 19,843.14 : x
  2. Step 2: Convert to fraction form
    51,459.87/77,153.36 = 19,843.14/x
  3. Step 3: Cross multiply
    51,459.87x = 77,153.36 × 19,843.14
  4. Step 4: Simplify right side
    51,459.87x = 1,530,964,824.73
  5. Step 5: Solve for x
    x = 1,530,964,824.73/51,459.87
  6. Step 6: Final answer
    x = 29,750.65

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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.