Home / 54,934.20-82,401.30-19,865.66

Finding the Fourth Proportional to 54,934.20, 82,401.30 and 19,865.66

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Solution

The fourth proportional to 54,934.20, 82,401.30 and 19,865.66 is: 29,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,934.20 : 82,401.30 = 19,865.66 : x
  2. Step 2: Convert to fraction form
    54,934.20/82,401.30 = 19,865.66/x
  3. Step 3: Cross multiply
    54,934.20x = 82,401.30 × 19,865.66
  4. Step 4: Simplify right side
    54,934.20x = 1,636,955,797.35
  5. Step 5: Solve for x
    x = 1,636,955,797.35/54,934.20
  6. Step 6: Final answer
    x = 29,798.48

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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.