Home / 45,838.56-68,757.89-12,558.90

Finding the Fourth Proportional to 45,838.56, 68,757.89 and 12,558.90

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Solution

The fourth proportional to 45,838.56, 68,757.89 and 12,558.90 is: 18,838.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,838.56 : 68,757.89 = 12,558.90 : x
  2. Step 2: Convert to fraction form
    45,838.56/68,757.89 = 12,558.90/x
  3. Step 3: Cross multiply
    45,838.56x = 68,757.89 × 12,558.90
  4. Step 4: Simplify right side
    45,838.56x = 863,523,464.72
  5. Step 5: Solve for x
    x = 863,523,464.72/45,838.56
  6. Step 6: Final answer
    x = 18,838.36

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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.