Home / 49,940.35-74,900.40-18,339.55

Finding the Fourth Proportional to 49,940.35, 74,900.40 and 18,339.55

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Solution

The fourth proportional to 49,940.35, 74,900.40 and 18,339.55 is: 27,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,940.35 : 74,900.40 = 18,339.55 : x
  2. Step 2: Convert to fraction form
    49,940.35/74,900.40 = 18,339.55/x
  3. Step 3: Cross multiply
    49,940.35x = 74,900.40 × 18,339.55
  4. Step 4: Simplify right side
    49,940.35x = 1,373,639,374.80
  5. Step 5: Solve for x
    x = 1,373,639,374.80/49,940.35
  6. Step 6: Final answer
    x = 27,505.60

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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.