Home / 40,276.06-55,579.41-22,372.21

Finding the Fourth Proportional to 40,276.06, 55,579.41 and 22,372.21

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Solution

The fourth proportional to 40,276.06, 55,579.41 and 22,372.21 is: 30,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.06 : 55,579.41 = 22,372.21 : x
  2. Step 2: Convert to fraction form
    40,276.06/55,579.41 = 22,372.21/x
  3. Step 3: Cross multiply
    40,276.06x = 55,579.41 × 22,372.21
  4. Step 4: Simplify right side
    40,276.06x = 1,243,433,954.30
  5. Step 5: Solve for x
    x = 1,243,433,954.30/40,276.06
  6. Step 6: Final answer
    x = 30,872.78

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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.