Home / 45,282.26-67,901.54-18,979.94

Finding the Fourth Proportional to 45,282.26, 67,901.54 and 18,979.94

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Solution

The fourth proportional to 45,282.26, 67,901.54 and 18,979.94 is: 28,460.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,282.26 : 67,901.54 = 18,979.94 : x
  2. Step 2: Convert to fraction form
    45,282.26/67,901.54 = 18,979.94/x
  3. Step 3: Cross multiply
    45,282.26x = 67,901.54 × 18,979.94
  4. Step 4: Simplify right side
    45,282.26x = 1,288,766,720.70
  5. Step 5: Solve for x
    x = 1,288,766,720.70/45,282.26
  6. Step 6: Final answer
    x = 28,460.75

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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.