Home / 39,449.19-54,439.97-21,544.59

Finding the Fourth Proportional to 39,449.19, 54,439.97 and 21,544.59

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Solution

The fourth proportional to 39,449.19, 54,439.97 and 21,544.59 is: 29,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,449.19 : 54,439.97 = 21,544.59 : x
  2. Step 2: Convert to fraction form
    39,449.19/54,439.97 = 21,544.59/x
  3. Step 3: Cross multiply
    39,449.19x = 54,439.97 × 21,544.59
  4. Step 4: Simplify right side
    39,449.19x = 1,172,886,725.54
  5. Step 5: Solve for x
    x = 1,172,886,725.54/39,449.19
  6. Step 6: Final answer
    x = 29,731.58

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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.