Home / 39,827.67-54,961.56-21,922.74

Finding the Fourth Proportional to 39,827.67, 54,961.56 and 21,922.74

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Solution

The fourth proportional to 39,827.67, 54,961.56 and 21,922.74 is: 30,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827.67 : 54,961.56 = 21,922.74 : x
  2. Step 2: Convert to fraction form
    39,827.67/54,961.56 = 21,922.74/x
  3. Step 3: Cross multiply
    39,827.67x = 54,961.56 × 21,922.74
  4. Step 4: Simplify right side
    39,827.67x = 1,204,907,989.87
  5. Step 5: Solve for x
    x = 1,204,907,989.87/39,827.67
  6. Step 6: Final answer
    x = 30,253.04

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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.