Home / 38,644.96-57,967.44-20,172.64

Finding the Fourth Proportional to 38,644.96, 57,967.44 and 20,172.64

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Solution

The fourth proportional to 38,644.96, 57,967.44 and 20,172.64 is: 30,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,644.96 : 57,967.44 = 20,172.64 : x
  2. Step 2: Convert to fraction form
    38,644.96/57,967.44 = 20,172.64/x
  3. Step 3: Cross multiply
    38,644.96x = 57,967.44 × 20,172.64
  4. Step 4: Simplify right side
    38,644.96x = 1,169,356,298.84
  5. Step 5: Solve for x
    x = 1,169,356,298.84/38,644.96
  6. Step 6: Final answer
    x = 30,258.96

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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.