Home / 45,930.24-68,910.70-17,851.21

Finding the Fourth Proportional to 45,930.24, 68,910.70 and 17,851.21

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Solution

The fourth proportional to 45,930.24, 68,910.70 and 17,851.21 is: 26,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,930.24 : 68,910.70 = 17,851.21 : x
  2. Step 2: Convert to fraction form
    45,930.24/68,910.70 = 17,851.21/x
  3. Step 3: Cross multiply
    45,930.24x = 68,910.70 × 17,851.21
  4. Step 4: Simplify right side
    45,930.24x = 1,230,139,387.32
  5. Step 5: Solve for x
    x = 1,230,139,387.32/45,930.24
  6. Step 6: Final answer
    x = 26,782.78

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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.