Home / 52,906.80-79,366.24-19,188.72

Finding the Fourth Proportional to 52,906.80, 79,366.24 and 19,188.72

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Solution

The fourth proportional to 52,906.80, 79,366.24 and 19,188.72 is: 28,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,906.80 : 79,366.24 = 19,188.72 : x
  2. Step 2: Convert to fraction form
    52,906.80/79,366.24 = 19,188.72/x
  3. Step 3: Cross multiply
    52,906.80x = 79,366.24 × 19,188.72
  4. Step 4: Simplify right side
    52,906.80x = 1,522,936,556.81
  5. Step 5: Solve for x
    x = 1,522,936,556.81/52,906.80
  6. Step 6: Final answer
    x = 28,785.27

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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.