Home / 39,450.60-54,439.44-21,542.04

Finding the Fourth Proportional to 39,450.60, 54,439.44 and 21,542.04

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Solution

The fourth proportional to 39,450.60, 54,439.44 and 21,542.04 is: 29,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450.60 : 54,439.44 = 21,542.04 : x
  2. Step 2: Convert to fraction form
    39,450.60/54,439.44 = 21,542.04/x
  3. Step 3: Cross multiply
    39,450.60x = 54,439.44 × 21,542.04
  4. Step 4: Simplify right side
    39,450.60x = 1,172,736,594.06
  5. Step 5: Solve for x
    x = 1,172,736,594.06/39,450.60
  6. Step 6: Final answer
    x = 29,726.71

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1.5x scale

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.