Home / 45,428.90-68,157.30-23,257.83

Finding the Fourth Proportional to 45,428.90, 68,157.30 and 23,257.83

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Solution

The fourth proportional to 45,428.90, 68,157.30 and 23,257.83 is: 34,893.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,428.90 : 68,157.30 = 23,257.83 : x
  2. Step 2: Convert to fraction form
    45,428.90/68,157.30 = 23,257.83/x
  3. Step 3: Cross multiply
    45,428.90x = 68,157.30 × 23,257.83
  4. Step 4: Simplify right side
    45,428.90x = 1,585,190,780.37
  5. Step 5: Solve for x
    x = 1,585,190,780.37/45,428.90
  6. Step 6: Final answer
    x = 34,893.89

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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.