Home / 45,957.20-68,936.28-19,645.52

Finding the Fourth Proportional to 45,957.20, 68,936.28 and 19,645.52

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Solution

The fourth proportional to 45,957.20, 68,936.28 and 19,645.52 is: 29,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,957.20 : 68,936.28 = 19,645.52 : x
  2. Step 2: Convert to fraction form
    45,957.20/68,936.28 = 19,645.52/x
  3. Step 3: Cross multiply
    45,957.20x = 68,936.28 × 19,645.52
  4. Step 4: Simplify right side
    45,957.20x = 1,354,289,067.47
  5. Step 5: Solve for x
    x = 1,354,289,067.47/45,957.20
  6. Step 6: Final answer
    x = 29,468.49

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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.