Home / 39,821.55-59,769.24-20,113.93

Finding the Fourth Proportional to 39,821.55, 59,769.24 and 20,113.93

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Solution

The fourth proportional to 39,821.55, 59,769.24 and 20,113.93 is: 30,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.55 : 59,769.24 = 20,113.93 : x
  2. Step 2: Convert to fraction form
    39,821.55/59,769.24 = 20,113.93/x
  3. Step 3: Cross multiply
    39,821.55x = 59,769.24 × 20,113.93
  4. Step 4: Simplify right side
    39,821.55x = 1,202,194,309.51
  5. Step 5: Solve for x
    x = 1,202,194,309.51/39,821.55
  6. Step 6: Final answer
    x = 30,189.54

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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.