Home / 49,277.84-73,969.39-21,211.80

Finding the Fourth Proportional to 49,277.84, 73,969.39 and 21,211.80

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Solution

The fourth proportional to 49,277.84, 73,969.39 and 21,211.80 is: 31,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,277.84 : 73,969.39 = 21,211.80 : x
  2. Step 2: Convert to fraction form
    49,277.84/73,969.39 = 21,211.80/x
  3. Step 3: Cross multiply
    49,277.84x = 73,969.39 × 21,211.80
  4. Step 4: Simplify right side
    49,277.84x = 1,569,023,906.80
  5. Step 5: Solve for x
    x = 1,569,023,906.80/49,277.84
  6. Step 6: Final answer
    x = 31,840.35

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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.