Home / 39,825.66-54,959.82-21,922.32

Finding the Fourth Proportional to 39,825.66, 54,959.82 and 21,922.32

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Solution

The fourth proportional to 39,825.66, 54,959.82 and 21,922.32 is: 30,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,825.66 : 54,959.82 = 21,922.32 : x
  2. Step 2: Convert to fraction form
    39,825.66/54,959.82 = 21,922.32/x
  3. Step 3: Cross multiply
    39,825.66x = 54,959.82 × 21,922.32
  4. Step 4: Simplify right side
    39,825.66x = 1,204,846,761.18
  5. Step 5: Solve for x
    x = 1,204,846,761.18/39,825.66
  6. Step 6: Final answer
    x = 30,253.03

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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.