Home / 34,634.40-51,990.48-13,872.48

Finding the Fourth Proportional to 34,634.40, 51,990.48 and 13,872.48

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Solution

The fourth proportional to 34,634.40, 51,990.48 and 13,872.48 is: 20,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,634.40 : 51,990.48 = 13,872.48 : x
  2. Step 2: Convert to fraction form
    34,634.40/51,990.48 = 13,872.48/x
  3. Step 3: Cross multiply
    34,634.40x = 51,990.48 × 13,872.48
  4. Step 4: Simplify right side
    34,634.40x = 721,236,893.99
  5. Step 5: Solve for x
    x = 721,236,893.99/34,634.40
  6. Step 6: Final answer
    x = 20,824.29

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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.