Home / 20,468.49-30,743.70-19,795.92

Finding the Fourth Proportional to 20,468.49, 30,743.70 and 19,795.92

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Solution

The fourth proportional to 20,468.49, 30,743.70 and 19,795.92 is: 29,733.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.49 : 30,743.70 = 19,795.92 : x
  2. Step 2: Convert to fraction form
    20,468.49/30,743.70 = 19,795.92/x
  3. Step 3: Cross multiply
    20,468.49x = 30,743.70 × 19,795.92
  4. Step 4: Simplify right side
    20,468.49x = 608,599,825.70
  5. Step 5: Solve for x
    x = 608,599,825.70/20,468.49
  6. Step 6: Final answer
    x = 29,733.50

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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.