Home / 52,555.54-78,786.42-19,267.83

Finding the Fourth Proportional to 52,555.54, 78,786.42 and 19,267.83

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Solution

The fourth proportional to 52,555.54, 78,786.42 and 19,267.83 is: 28,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,555.54 : 78,786.42 = 19,267.83 : x
  2. Step 2: Convert to fraction form
    52,555.54/78,786.42 = 19,267.83/x
  3. Step 3: Cross multiply
    52,555.54x = 78,786.42 × 19,267.83
  4. Step 4: Simplify right side
    52,555.54x = 1,518,043,346.87
  5. Step 5: Solve for x
    x = 1,518,043,346.87/52,555.54
  6. Step 6: Final answer
    x = 28,884.55

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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.