Home / 39,823.96-54,960.74-21,922.60

Finding the Fourth Proportional to 39,823.96, 54,960.74 and 21,922.60

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Solution

The fourth proportional to 39,823.96, 54,960.74 and 21,922.60 is: 30,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,823.96 : 54,960.74 = 21,922.60 : x
  2. Step 2: Convert to fraction form
    39,823.96/54,960.74 = 21,922.60/x
  3. Step 3: Cross multiply
    39,823.96x = 54,960.74 × 21,922.60
  4. Step 4: Simplify right side
    39,823.96x = 1,204,882,318.72
  5. Step 5: Solve for x
    x = 1,204,882,318.72/39,823.96
  6. Step 6: Final answer
    x = 30,255.21

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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.