Home / 39,539.25-54,563.67-21,633.99

Finding the Fourth Proportional to 39,539.25, 54,563.67 and 21,633.99

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Solution

The fourth proportional to 39,539.25, 54,563.67 and 21,633.99 is: 29,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,539.25 : 54,563.67 = 21,633.99 : x
  2. Step 2: Convert to fraction form
    39,539.25/54,563.67 = 21,633.99/x
  3. Step 3: Cross multiply
    39,539.25x = 54,563.67 × 21,633.99
  4. Step 4: Simplify right side
    39,539.25x = 1,180,429,891.14
  5. Step 5: Solve for x
    x = 1,180,429,891.14/39,539.25
  6. Step 6: Final answer
    x = 29,854.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.