Home / 39,445.20-54,434.68-22,450.75

Finding the Fourth Proportional to 39,445.20, 54,434.68 and 22,450.75

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Solution

The fourth proportional to 39,445.20, 54,434.68 and 22,450.75 is: 30,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,445.20 : 54,434.68 = 22,450.75 : x
  2. Step 2: Convert to fraction form
    39,445.20/54,434.68 = 22,450.75/x
  3. Step 3: Cross multiply
    39,445.20x = 54,434.68 × 22,450.75
  4. Step 4: Simplify right side
    39,445.20x = 1,222,099,199.80
  5. Step 5: Solve for x
    x = 1,222,099,199.80/39,445.20
  6. Step 6: Final answer
    x = 30,982.20

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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.