Home / 40,122.45-55,361.34-22,216.59

Finding the Fourth Proportional to 40,122.45, 55,361.34 and 22,216.59

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Solution

The fourth proportional to 40,122.45, 55,361.34 and 22,216.59 is: 30,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.45 : 55,361.34 = 22,216.59 : x
  2. Step 2: Convert to fraction form
    40,122.45/55,361.34 = 22,216.59/x
  3. Step 3: Cross multiply
    40,122.45x = 55,361.34 × 22,216.59
  4. Step 4: Simplify right side
    40,122.45x = 1,229,940,192.63
  5. Step 5: Solve for x
    x = 1,229,940,192.63/40,122.45
  6. Step 6: Final answer
    x = 30,654.66

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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.