Home / 40,179.40-55,447.98-22,274.68

Finding the Fourth Proportional to 40,179.40, 55,447.98 and 22,274.68

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Solution

The fourth proportional to 40,179.40, 55,447.98 and 22,274.68 is: 30,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,179.40 : 55,447.98 = 22,274.68 : x
  2. Step 2: Convert to fraction form
    40,179.40/55,447.98 = 22,274.68/x
  3. Step 3: Cross multiply
    40,179.40x = 55,447.98 × 22,274.68
  4. Step 4: Simplify right side
    40,179.40x = 1,235,086,011.15
  5. Step 5: Solve for x
    x = 1,235,086,011.15/40,179.40
  6. Step 6: Final answer
    x = 30,739.28

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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.