Home / 52,208.75-78,295.56-18,921.84

Finding the Fourth Proportional to 52,208.75, 78,295.56 and 18,921.84

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Solution

The fourth proportional to 52,208.75, 78,295.56 and 18,921.84 is: 28,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,208.75 : 78,295.56 = 18,921.84 : x
  2. Step 2: Convert to fraction form
    52,208.75/78,295.56 = 18,921.84/x
  3. Step 3: Cross multiply
    52,208.75x = 78,295.56 × 18,921.84
  4. Step 4: Simplify right side
    52,208.75x = 1,481,496,059.03
  5. Step 5: Solve for x
    x = 1,481,496,059.03/52,208.75
  6. Step 6: Final answer
    x = 28,376.39

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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.