Home / 56,388.11-84,589.94-18,951.09

Finding the Fourth Proportional to 56,388.11, 84,589.94 and 18,951.09

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Solution

The fourth proportional to 56,388.11, 84,589.94 and 18,951.09 is: 28,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,388.11 : 84,589.94 = 18,951.09 : x
  2. Step 2: Convert to fraction form
    56,388.11/84,589.94 = 18,951.09/x
  3. Step 3: Cross multiply
    56,388.11x = 84,589.94 × 18,951.09
  4. Step 4: Simplify right side
    56,388.11x = 1,603,071,259.80
  5. Step 5: Solve for x
    x = 1,603,071,259.80/56,388.11
  6. Step 6: Final answer
    x = 28,429.24

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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.