Home / 52,156.44-78,249.24-17,120.70

Finding the Fourth Proportional to 52,156.44, 78,249.24 and 17,120.70

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Solution

The fourth proportional to 52,156.44, 78,249.24 and 17,120.70 is: 25,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156.44 : 78,249.24 = 17,120.70 : x
  2. Step 2: Convert to fraction form
    52,156.44/78,249.24 = 17,120.70/x
  3. Step 3: Cross multiply
    52,156.44x = 78,249.24 × 17,120.70
  4. Step 4: Simplify right side
    52,156.44x = 1,339,681,763.27
  5. Step 5: Solve for x
    x = 1,339,681,763.27/52,156.44
  6. Step 6: Final answer
    x = 25,685.84

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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.