Home / 39,599.54-54,648.33-21,694.56

Finding the Fourth Proportional to 39,599.54, 54,648.33 and 21,694.56

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Solution

The fourth proportional to 39,599.54, 54,648.33 and 21,694.56 is: 29,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,599.54 : 54,648.33 = 21,694.56 : x
  2. Step 2: Convert to fraction form
    39,599.54/54,648.33 = 21,694.56/x
  3. Step 3: Cross multiply
    39,599.54x = 54,648.33 × 21,694.56
  4. Step 4: Simplify right side
    39,599.54x = 1,185,571,474.08
  5. Step 5: Solve for x
    x = 1,185,571,474.08/39,599.54
  6. Step 6: Final answer
    x = 29,939.02

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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.