Home / 54,864.12-82,281.78-19,797.24

Finding the Fourth Proportional to 54,864.12, 82,281.78 and 19,797.24

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Solution

The fourth proportional to 54,864.12, 82,281.78 and 19,797.24 is: 29,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,864.12 : 82,281.78 = 19,797.24 : x
  2. Step 2: Convert to fraction form
    54,864.12/82,281.78 = 19,797.24/x
  3. Step 3: Cross multiply
    54,864.12x = 82,281.78 × 19,797.24
  4. Step 4: Simplify right side
    54,864.12x = 1,628,952,146.29
  5. Step 5: Solve for x
    x = 1,628,952,146.29/54,864.12
  6. Step 6: Final answer
    x = 29,690.66

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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.