Home / 54,684.83-82,034.08-21,400.60

Finding the Fourth Proportional to 54,684.83, 82,034.08 and 21,400.60

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Solution

The fourth proportional to 54,684.83, 82,034.08 and 21,400.60 is: 32,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,684.83 : 82,034.08 = 21,400.60 : x
  2. Step 2: Convert to fraction form
    54,684.83/82,034.08 = 21,400.60/x
  3. Step 3: Cross multiply
    54,684.83x = 82,034.08 × 21,400.60
  4. Step 4: Simplify right side
    54,684.83x = 1,755,578,122.28
  5. Step 5: Solve for x
    x = 1,755,578,122.28/54,684.83
  6. Step 6: Final answer
    x = 32,103.57

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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.