Home / 30,404.19-41,958.80-16,975.60

Finding the Fourth Proportional to 30,404.19, 41,958.80 and 16,975.60

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Solution

The fourth proportional to 30,404.19, 41,958.80 and 16,975.60 is: 23,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404.19 : 41,958.80 = 16,975.60 : x
  2. Step 2: Convert to fraction form
    30,404.19/41,958.80 = 16,975.60/x
  3. Step 3: Cross multiply
    30,404.19x = 41,958.80 × 16,975.60
  4. Step 4: Simplify right side
    30,404.19x = 712,275,805.28
  5. Step 5: Solve for x
    x = 712,275,805.28/30,404.19
  6. Step 6: Final answer
    x = 23,426.90

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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.