Home / 49,625.33-74,438.02-12,185.61

Finding the Fourth Proportional to 49,625.33, 74,438.02 and 12,185.61

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Solution

The fourth proportional to 49,625.33, 74,438.02 and 12,185.61 is: 18,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,625.33 : 74,438.02 = 12,185.61 : x
  2. Step 2: Convert to fraction form
    49,625.33/74,438.02 = 12,185.61/x
  3. Step 3: Cross multiply
    49,625.33x = 74,438.02 × 12,185.61
  4. Step 4: Simplify right side
    49,625.33x = 907,072,416.98
  5. Step 5: Solve for x
    x = 907,072,416.98/49,625.33
  6. Step 6: Final answer
    x = 18,278.42

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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.