Home / 54,869.40-82,304.10-21,590.55

Finding the Fourth Proportional to 54,869.40, 82,304.10 and 21,590.55

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Solution

The fourth proportional to 54,869.40, 82,304.10 and 21,590.55 is: 32,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,869.40 : 82,304.10 = 21,590.55 : x
  2. Step 2: Convert to fraction form
    54,869.40/82,304.10 = 21,590.55/x
  3. Step 3: Cross multiply
    54,869.40x = 82,304.10 × 21,590.55
  4. Step 4: Simplify right side
    54,869.40x = 1,776,990,786.26
  5. Step 5: Solve for x
    x = 1,776,990,786.26/54,869.40
  6. Step 6: Final answer
    x = 32,385.83

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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.