Home / 40,257.70-60,396.03-12,177.98

Finding the Fourth Proportional to 40,257.70, 60,396.03 and 12,177.98

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Solution

The fourth proportional to 40,257.70, 60,396.03 and 12,177.98 is: 18,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,257.70 : 60,396.03 = 12,177.98 : x
  2. Step 2: Convert to fraction form
    40,257.70/60,396.03 = 12,177.98/x
  3. Step 3: Cross multiply
    40,257.70x = 60,396.03 × 12,177.98
  4. Step 4: Simplify right side
    40,257.70x = 735,501,584.53
  5. Step 5: Solve for x
    x = 735,501,584.53/40,257.70
  6. Step 6: Final answer
    x = 18,269.84

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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.