Home / 52,160.36-78,205.97-18,876.09

Finding the Fourth Proportional to 52,160.36, 78,205.97 and 18,876.09

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Solution

The fourth proportional to 52,160.36, 78,205.97 and 18,876.09 is: 28,301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,160.36 : 78,205.97 = 18,876.09 : x
  2. Step 2: Convert to fraction form
    52,160.36/78,205.97 = 18,876.09/x
  3. Step 3: Cross multiply
    52,160.36x = 78,205.97 × 18,876.09
  4. Step 4: Simplify right side
    52,160.36x = 1,476,222,928.26
  5. Step 5: Solve for x
    x = 1,476,222,928.26/52,160.36
  6. Step 6: Final answer
    x = 28,301.62

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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.