Home / 49,804.40-74,706.28-20,221.94

Finding the Fourth Proportional to 49,804.40, 74,706.28 and 20,221.94

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Solution

The fourth proportional to 49,804.40, 74,706.28 and 20,221.94 is: 30,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,804.40 : 74,706.28 = 20,221.94 : x
  2. Step 2: Convert to fraction form
    49,804.40/74,706.28 = 20,221.94/x
  3. Step 3: Cross multiply
    49,804.40x = 74,706.28 × 20,221.94
  4. Step 4: Simplify right side
    49,804.40x = 1,510,705,911.78
  5. Step 5: Solve for x
    x = 1,510,705,911.78/49,804.40
  6. Step 6: Final answer
    x = 30,332.78

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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.