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Finding the Fourth Proportional to 33,812.40, 50,675.40 and 25,982.40

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Solution

The fourth proportional to 33,812.40, 50,675.40 and 25,982.40 is: 38,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,812.40 : 50,675.40 = 25,982.40 : x
  2. Step 2: Convert to fraction form
    33,812.40/50,675.40 = 25,982.40/x
  3. Step 3: Cross multiply
    33,812.40x = 50,675.40 × 25,982.40
  4. Step 4: Simplify right side
    33,812.40x = 1,316,668,512.96
  5. Step 5: Solve for x
    x = 1,316,668,512.96/33,812.40
  6. Step 6: Final answer
    x = 38,940.40

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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.