Home / 39,821.92-59,769.86-20,114.34

Finding the Fourth Proportional to 39,821.92, 59,769.86 and 20,114.34

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Solution

The fourth proportional to 39,821.92, 59,769.86 and 20,114.34 is: 30,190.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.92 : 59,769.86 = 20,114.34 : x
  2. Step 2: Convert to fraction form
    39,821.92/59,769.86 = 20,114.34/x
  3. Step 3: Cross multiply
    39,821.92x = 59,769.86 × 20,114.34
  4. Step 4: Simplify right side
    39,821.92x = 1,202,231,285.79
  5. Step 5: Solve for x
    x = 1,202,231,285.79/39,821.92
  6. Step 6: Final answer
    x = 30,190.19

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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.