Home / 40,321.28-55,644.79-22,173.39

Finding the Fourth Proportional to 40,321.28, 55,644.79 and 22,173.39

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Solution

The fourth proportional to 40,321.28, 55,644.79 and 22,173.39 is: 30,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321.28 : 55,644.79 = 22,173.39 : x
  2. Step 2: Convert to fraction form
    40,321.28/55,644.79 = 22,173.39/x
  3. Step 3: Cross multiply
    40,321.28x = 55,644.79 × 22,173.39
  4. Step 4: Simplify right side
    40,321.28x = 1,233,833,630.14
  5. Step 5: Solve for x
    x = 1,233,833,630.14/40,321.28
  6. Step 6: Final answer
    x = 30,600.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.