Home / 54,780.46-82,179.78-19,232.55

Finding the Fourth Proportional to 54,780.46, 82,179.78 and 19,232.55

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Solution

The fourth proportional to 54,780.46, 82,179.78 and 19,232.55 is: 28,852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.46 : 82,179.78 = 19,232.55 : x
  2. Step 2: Convert to fraction form
    54,780.46/82,179.78 = 19,232.55/x
  3. Step 3: Cross multiply
    54,780.46x = 82,179.78 × 19,232.55
  4. Step 4: Simplify right side
    54,780.46x = 1,580,526,727.84
  5. Step 5: Solve for x
    x = 1,580,526,727.84/54,780.46
  6. Step 6: Final answer
    x = 28,852.02

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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.