Home / 33,613.40-50,420.10-11,451.80

Finding the Fourth Proportional to 33,613.40, 50,420.10 and 11,451.80

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Solution

The fourth proportional to 33,613.40, 50,420.10 and 11,451.80 is: 17,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,613.40 : 50,420.10 = 11,451.80 : x
  2. Step 2: Convert to fraction form
    33,613.40/50,420.10 = 11,451.80/x
  3. Step 3: Cross multiply
    33,613.40x = 50,420.10 × 11,451.80
  4. Step 4: Simplify right side
    33,613.40x = 577,400,901.18
  5. Step 5: Solve for x
    x = 577,400,901.18/33,613.40
  6. Step 6: Final answer
    x = 17,177.70

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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.