Home / 45,892.37-68,838.53-12,612.58

Finding the Fourth Proportional to 45,892.37, 68,838.53 and 12,612.58

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Solution

The fourth proportional to 45,892.37, 68,838.53 and 12,612.58 is: 18,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,892.37 : 68,838.53 = 12,612.58 : x
  2. Step 2: Convert to fraction form
    45,892.37/68,838.53 = 12,612.58/x
  3. Step 3: Cross multiply
    45,892.37x = 68,838.53 × 12,612.58
  4. Step 4: Simplify right side
    45,892.37x = 868,231,231.55
  5. Step 5: Solve for x
    x = 868,231,231.55/45,892.37
  6. Step 6: Final answer
    x = 18,918.86

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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.