Home / 45,332.06-67,974.62-20,350.60

Finding the Fourth Proportional to 45,332.06, 67,974.62 and 20,350.60

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Solution

The fourth proportional to 45,332.06, 67,974.62 and 20,350.60 is: 30,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,332.06 : 67,974.62 = 20,350.60 : x
  2. Step 2: Convert to fraction form
    45,332.06/67,974.62 = 20,350.60/x
  3. Step 3: Cross multiply
    45,332.06x = 67,974.62 × 20,350.60
  4. Step 4: Simplify right side
    45,332.06x = 1,383,324,301.77
  5. Step 5: Solve for x
    x = 1,383,324,301.77/45,332.06
  6. Step 6: Final answer
    x = 30,515.36

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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.