Home / 52,804.22-79,190.16-21,197.62

Finding the Fourth Proportional to 52,804.22, 79,190.16 and 21,197.62

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Solution

The fourth proportional to 52,804.22, 79,190.16 and 21,197.62 is: 31,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,804.22 : 79,190.16 = 21,197.62 : x
  2. Step 2: Convert to fraction form
    52,804.22/79,190.16 = 21,197.62/x
  3. Step 3: Cross multiply
    52,804.22x = 79,190.16 × 21,197.62
  4. Step 4: Simplify right side
    52,804.22x = 1,678,642,919.42
  5. Step 5: Solve for x
    x = 1,678,642,919.42/52,804.22
  6. Step 6: Final answer
    x = 31,789.94

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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.