Home / 45,914.60-68,912.40-27,171.20

Finding the Fourth Proportional to 45,914.60, 68,912.40 and 27,171.20

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Solution

The fourth proportional to 45,914.60, 68,912.40 and 27,171.20 is: 40,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,914.60 : 68,912.40 = 27,171.20 : x
  2. Step 2: Convert to fraction form
    45,914.60/68,912.40 = 27,171.20/x
  3. Step 3: Cross multiply
    45,914.60x = 68,912.40 × 27,171.20
  4. Step 4: Simplify right side
    45,914.60x = 1,872,432,602.88
  5. Step 5: Solve for x
    x = 1,872,432,602.88/45,914.60
  6. Step 6: Final answer
    x = 40,780.77

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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.