Home / 40,132.32-55,381.91-22,226.94

Finding the Fourth Proportional to 40,132.32, 55,381.91 and 22,226.94

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Solution

The fourth proportional to 40,132.32, 55,381.91 and 22,226.94 is: 30,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,132.32 : 55,381.91 = 22,226.94 : x
  2. Step 2: Convert to fraction form
    40,132.32/55,381.91 = 22,226.94/x
  3. Step 3: Cross multiply
    40,132.32x = 55,381.91 × 22,226.94
  4. Step 4: Simplify right side
    40,132.32x = 1,230,970,390.66
  5. Step 5: Solve for x
    x = 1,230,970,390.66/40,132.32
  6. Step 6: Final answer
    x = 30,672.79

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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.