Home / 49,680.60-74,495.30-18,499.80

Finding the Fourth Proportional to 49,680.60, 74,495.30 and 18,499.80

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Solution

The fourth proportional to 49,680.60, 74,495.30 and 18,499.80 is: 27,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,680.60 : 74,495.30 = 18,499.80 : x
  2. Step 2: Convert to fraction form
    49,680.60/74,495.30 = 18,499.80/x
  3. Step 3: Cross multiply
    49,680.60x = 74,495.30 × 18,499.80
  4. Step 4: Simplify right side
    49,680.60x = 1,378,148,150.94
  5. Step 5: Solve for x
    x = 1,378,148,150.94/49,680.60
  6. Step 6: Final answer
    x = 27,740.17

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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.