Home / 49,918.67-74,857.20-20,316.41

Finding the Fourth Proportional to 49,918.67, 74,857.20 and 20,316.41

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Solution

The fourth proportional to 49,918.67, 74,857.20 and 20,316.41 is: 30,466.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,918.67 : 74,857.20 = 20,316.41 : x
  2. Step 2: Convert to fraction form
    49,918.67/74,857.20 = 20,316.41/x
  3. Step 3: Cross multiply
    49,918.67x = 74,857.20 × 20,316.41
  4. Step 4: Simplify right side
    49,918.67x = 1,520,829,192.37
  5. Step 5: Solve for x
    x = 1,520,829,192.37/49,918.67
  6. Step 6: Final answer
    x = 30,466.14

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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.