Home / 39,352.25-54,299.88-22,121.21

Finding the Fourth Proportional to 39,352.25, 54,299.88 and 22,121.21

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Solution

The fourth proportional to 39,352.25, 54,299.88 and 22,121.21 is: 30,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,352.25 : 54,299.88 = 22,121.21 : x
  2. Step 2: Convert to fraction form
    39,352.25/54,299.88 = 22,121.21/x
  3. Step 3: Cross multiply
    39,352.25x = 54,299.88 × 22,121.21
  4. Step 4: Simplify right side
    39,352.25x = 1,201,178,776.96
  5. Step 5: Solve for x
    x = 1,201,178,776.96/39,352.25
  6. Step 6: Final answer
    x = 30,523.77

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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.