Home / 40,179.58-55,445.78-22,274.42

Finding the Fourth Proportional to 40,179.58, 55,445.78 and 22,274.42

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Solution

The fourth proportional to 40,179.58, 55,445.78 and 22,274.42 is: 30,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,179.58 : 55,445.78 = 22,274.42 : x
  2. Step 2: Convert to fraction form
    40,179.58/55,445.78 = 22,274.42/x
  3. Step 3: Cross multiply
    40,179.58x = 55,445.78 × 22,274.42
  4. Step 4: Simplify right side
    40,179.58x = 1,235,022,369.40
  5. Step 5: Solve for x
    x = 1,235,022,369.40/40,179.58
  6. Step 6: Final answer
    x = 30,737.56

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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.