Home / 54,738.45-82,110.11-21,455.55

Finding the Fourth Proportional to 54,738.45, 82,110.11 and 21,455.55

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Solution

The fourth proportional to 54,738.45, 82,110.11 and 21,455.55 is: 32,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,738.45 : 82,110.11 = 21,455.55 : x
  2. Step 2: Convert to fraction form
    54,738.45/82,110.11 = 21,455.55/x
  3. Step 3: Cross multiply
    54,738.45x = 82,110.11 × 21,455.55
  4. Step 4: Simplify right side
    54,738.45x = 1,761,717,463.33
  5. Step 5: Solve for x
    x = 1,761,717,463.33/54,738.45
  6. Step 6: Final answer
    x = 32,184.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.