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Finding the Fourth Proportional to 56,173.86, 84,271.83 and 18,733.44

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Solution

The fourth proportional to 56,173.86, 84,271.83 and 18,733.44 is: 28,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,173.86 : 84,271.83 = 18,733.44 : x
  2. Step 2: Convert to fraction form
    56,173.86/84,271.83 = 18,733.44/x
  3. Step 3: Cross multiply
    56,173.86x = 84,271.83 × 18,733.44
  4. Step 4: Simplify right side
    56,173.86x = 1,578,701,271.00
  5. Step 5: Solve for x
    x = 1,578,701,271.00/56,173.86
  6. Step 6: Final answer
    x = 28,103.84

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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.