Home / 45,845.54-68,760.93-12,557.82

Finding the Fourth Proportional to 45,845.54, 68,760.93 and 12,557.82

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Solution

The fourth proportional to 45,845.54, 68,760.93 and 12,557.82 is: 18,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,845.54 : 68,760.93 = 12,557.82 : x
  2. Step 2: Convert to fraction form
    45,845.54/68,760.93 = 12,557.82/x
  3. Step 3: Cross multiply
    45,845.54x = 68,760.93 × 12,557.82
  4. Step 4: Simplify right side
    45,845.54x = 863,487,194.18
  5. Step 5: Solve for x
    x = 863,487,194.18/45,845.54
  6. Step 6: Final answer
    x = 18,834.71

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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.