Home / 40,274.88-55,579.20-22,369.44

Finding the Fourth Proportional to 40,274.88, 55,579.20 and 22,369.44

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Solution

The fourth proportional to 40,274.88, 55,579.20 and 22,369.44 is: 30,869.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,274.88 : 55,579.20 = 22,369.44 : x
  2. Step 2: Convert to fraction form
    40,274.88/55,579.20 = 22,369.44/x
  3. Step 3: Cross multiply
    40,274.88x = 55,579.20 × 22,369.44
  4. Step 4: Simplify right side
    40,274.88x = 1,243,275,579.65
  5. Step 5: Solve for x
    x = 1,243,275,579.65/40,274.88
  6. Step 6: Final answer
    x = 30,869.75

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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.