Home / 45,420.38-68,136.99-15,833.90

Finding the Fourth Proportional to 45,420.38, 68,136.99 and 15,833.90

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Solution

The fourth proportional to 45,420.38, 68,136.99 and 15,833.90 is: 23,753.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.38 : 68,136.99 = 15,833.90 : x
  2. Step 2: Convert to fraction form
    45,420.38/68,136.99 = 15,833.90/x
  3. Step 3: Cross multiply
    45,420.38x = 68,136.99 × 15,833.90
  4. Step 4: Simplify right side
    45,420.38x = 1,078,874,285.96
  5. Step 5: Solve for x
    x = 1,078,874,285.96/45,420.38
  6. Step 6: Final answer
    x = 23,753.09

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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.