Home / 49,634.21-74,465.21-20,072.80

Finding the Fourth Proportional to 49,634.21, 74,465.21 and 20,072.80

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Solution

The fourth proportional to 49,634.21, 74,465.21 and 20,072.80 is: 30,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,634.21 : 74,465.21 = 20,072.80 : x
  2. Step 2: Convert to fraction form
    49,634.21/74,465.21 = 20,072.80/x
  3. Step 3: Cross multiply
    49,634.21x = 74,465.21 × 20,072.80
  4. Step 4: Simplify right side
    49,634.21x = 1,494,725,267.29
  5. Step 5: Solve for x
    x = 1,494,725,267.29/49,634.21
  6. Step 6: Final answer
    x = 30,114.82

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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.