Home / 33,613.68-50,420.52-12,839.28

Finding the Fourth Proportional to 33,613.68, 50,420.52 and 12,839.28

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Solution

The fourth proportional to 33,613.68, 50,420.52 and 12,839.28 is: 19,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,613.68 : 50,420.52 = 12,839.28 : x
  2. Step 2: Convert to fraction form
    33,613.68/50,420.52 = 12,839.28/x
  3. Step 3: Cross multiply
    33,613.68x = 50,420.52 × 12,839.28
  4. Step 4: Simplify right side
    33,613.68x = 647,363,174.03
  5. Step 5: Solve for x
    x = 647,363,174.03/33,613.68
  6. Step 6: Final answer
    x = 19,258.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.