Home / 34,880.64-52,336.43-19,887.21

Finding the Fourth Proportional to 34,880.64, 52,336.43 and 19,887.21

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Solution

The fourth proportional to 34,880.64, 52,336.43 and 19,887.21 is: 29,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,880.64 : 52,336.43 = 19,887.21 : x
  2. Step 2: Convert to fraction form
    34,880.64/52,336.43 = 19,887.21/x
  3. Step 3: Cross multiply
    34,880.64x = 52,336.43 × 19,887.21
  4. Step 4: Simplify right side
    34,880.64x = 1,040,825,474.62
  5. Step 5: Solve for x
    x = 1,040,825,474.62/34,880.64
  6. Step 6: Final answer
    x = 29,839.63

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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.