Home / 54,776.70-82,197.45-19,711.80

Finding the Fourth Proportional to 54,776.70, 82,197.45 and 19,711.80

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Solution

The fourth proportional to 54,776.70, 82,197.45 and 19,711.80 is: 29,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,776.70 : 82,197.45 = 19,711.80 : x
  2. Step 2: Convert to fraction form
    54,776.70/82,197.45 = 19,711.80/x
  3. Step 3: Cross multiply
    54,776.70x = 82,197.45 × 19,711.80
  4. Step 4: Simplify right side
    54,776.70x = 1,620,259,694.91
  5. Step 5: Solve for x
    x = 1,620,259,694.91/54,776.70
  6. Step 6: Final answer
    x = 29,579.36

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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.