Home / 40,179.37-55,442.40-22,274.21

Finding the Fourth Proportional to 40,179.37, 55,442.40 and 22,274.21

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Solution

The fourth proportional to 40,179.37, 55,442.40 and 22,274.21 is: 30,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,179.37 : 55,442.40 = 22,274.21 : x
  2. Step 2: Convert to fraction form
    40,179.37/55,442.40 = 22,274.21/x
  3. Step 3: Cross multiply
    40,179.37x = 55,442.40 × 22,274.21
  4. Step 4: Simplify right side
    40,179.37x = 1,234,935,660.50
  5. Step 5: Solve for x
    x = 1,234,935,660.50/40,179.37
  6. Step 6: Final answer
    x = 30,735.57

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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.