Home / 38,121.03-57,163.77-20,346.89

Finding the Fourth Proportional to 38,121.03, 57,163.77 and 20,346.89

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Solution

The fourth proportional to 38,121.03, 57,163.77 and 20,346.89 is: 30,510.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,121.03 : 57,163.77 = 20,346.89 : x
  2. Step 2: Convert to fraction form
    38,121.03/57,163.77 = 20,346.89/x
  3. Step 3: Cross multiply
    38,121.03x = 57,163.77 × 20,346.89
  4. Step 4: Simplify right side
    38,121.03x = 1,163,104,654.36
  5. Step 5: Solve for x
    x = 1,163,104,654.36/38,121.03
  6. Step 6: Final answer
    x = 30,510.84

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1.5x scale

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.