Home / 49,726.20-74,589.48-18,561

Finding the Fourth Proportional to 49,726.20, 74,589.48 and 18,561

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Solution

The fourth proportional to 49,726.20, 74,589.48 and 18,561 is: 27,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,726.20 : 74,589.48 = 18,561 : x
  2. Step 2: Convert to fraction form
    49,726.20/74,589.48 = 18,561/x
  3. Step 3: Cross multiply
    49,726.20x = 74,589.48 × 18,561
  4. Step 4: Simplify right side
    49,726.20x = 1,384,455,338.28
  5. Step 5: Solve for x
    x = 1,384,455,338.28/49,726.20
  6. Step 6: Final answer
    x = 27,841.57

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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.