Home / 52,452.36-78,672.06-21,257.64

Finding the Fourth Proportional to 52,452.36, 78,672.06 and 21,257.64

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Solution

The fourth proportional to 52,452.36, 78,672.06 and 21,257.64 is: 31,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,452.36 : 78,672.06 = 21,257.64 : x
  2. Step 2: Convert to fraction form
    52,452.36/78,672.06 = 21,257.64/x
  3. Step 3: Cross multiply
    52,452.36x = 78,672.06 × 21,257.64
  4. Step 4: Simplify right side
    52,452.36x = 1,672,382,329.54
  5. Step 5: Solve for x
    x = 1,672,382,329.54/52,452.36
  6. Step 6: Final answer
    x = 31,883.83

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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.