Home / 39,821.67-59,769.41-20,114.06

Finding the Fourth Proportional to 39,821.67, 59,769.41 and 20,114.06

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Solution

The fourth proportional to 39,821.67, 59,769.41 and 20,114.06 is: 30,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.67 : 59,769.41 = 20,114.06 : x
  2. Step 2: Convert to fraction form
    39,821.67/59,769.41 = 20,114.06/x
  3. Step 3: Cross multiply
    39,821.67x = 59,769.41 × 20,114.06
  4. Step 4: Simplify right side
    39,821.67x = 1,202,205,099.49
  5. Step 5: Solve for x
    x = 1,202,205,099.49/39,821.67
  6. Step 6: Final answer
    x = 30,189.72

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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.