Home / 60,211.58-90,321.51-18,089.90

Finding the Fourth Proportional to 60,211.58, 90,321.51 and 18,089.90

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Solution

The fourth proportional to 60,211.58, 90,321.51 and 18,089.90 is: 27,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,211.58 : 90,321.51 = 18,089.90 : x
  2. Step 2: Convert to fraction form
    60,211.58/90,321.51 = 18,089.90/x
  3. Step 3: Cross multiply
    60,211.58x = 90,321.51 × 18,089.90
  4. Step 4: Simplify right side
    60,211.58x = 1,633,907,083.75
  5. Step 5: Solve for x
    x = 1,633,907,083.75/60,211.58
  6. Step 6: Final answer
    x = 27,136.09

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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.