Home / 54,986.22-82,479.33-19,914.30

Finding the Fourth Proportional to 54,986.22, 82,479.33 and 19,914.30

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Solution

The fourth proportional to 54,986.22, 82,479.33 and 19,914.30 is: 29,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,986.22 : 82,479.33 = 19,914.30 : x
  2. Step 2: Convert to fraction form
    54,986.22/82,479.33 = 19,914.30/x
  3. Step 3: Cross multiply
    54,986.22x = 82,479.33 × 19,914.30
  4. Step 4: Simplify right side
    54,986.22x = 1,642,518,121.42
  5. Step 5: Solve for x
    x = 1,642,518,121.42/54,986.22
  6. Step 6: Final answer
    x = 29,871.45

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Similar ratio
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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.