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Finding the Fourth Proportional to 49,296.60, 73,969.20 and 19,715.40

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Solution

The fourth proportional to 49,296.60, 73,969.20 and 19,715.40 is: 29,582.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,296.60 : 73,969.20 = 19,715.40 : x
  2. Step 2: Convert to fraction form
    49,296.60/73,969.20 = 19,715.40/x
  3. Step 3: Cross multiply
    49,296.60x = 73,969.20 × 19,715.40
  4. Step 4: Simplify right side
    49,296.60x = 1,458,332,365.68
  5. Step 5: Solve for x
    x = 1,458,332,365.68/49,296.60
  6. Step 6: Final answer
    x = 29,582.82

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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.