Home / 45,171.54-67,773.02-20,214.23

Finding the Fourth Proportional to 45,171.54, 67,773.02 and 20,214.23

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Solution

The fourth proportional to 45,171.54, 67,773.02 and 20,214.23 is: 30,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,171.54 : 67,773.02 = 20,214.23 : x
  2. Step 2: Convert to fraction form
    45,171.54/67,773.02 = 20,214.23/x
  3. Step 3: Cross multiply
    45,171.54x = 67,773.02 × 20,214.23
  4. Step 4: Simplify right side
    45,171.54x = 1,369,978,974.14
  5. Step 5: Solve for x
    x = 1,369,978,974.14/45,171.54
  6. Step 6: Final answer
    x = 30,328.37

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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.