Home / 45,438.90-68,257.71-32,375.22

Finding the Fourth Proportional to 45,438.90, 68,257.71 and 32,375.22

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Solution

The fourth proportional to 45,438.90, 68,257.71 and 32,375.22 is: 48,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.90 : 68,257.71 = 32,375.22 : x
  2. Step 2: Convert to fraction form
    45,438.90/68,257.71 = 32,375.22/x
  3. Step 3: Cross multiply
    45,438.90x = 68,257.71 × 32,375.22
  4. Step 4: Simplify right side
    45,438.90x = 2,209,858,377.95
  5. Step 5: Solve for x
    x = 2,209,858,377.95/45,438.90
  6. Step 6: Final answer
    x = 48,633.62

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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.