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Finding the Fourth Proportional to 33,801.20, 50,706.60 and 10,425.20

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Solution

The fourth proportional to 33,801.20, 50,706.60 and 10,425.20 is: 15,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,801.20 : 50,706.60 = 10,425.20 : x
  2. Step 2: Convert to fraction form
    33,801.20/50,706.60 = 10,425.20/x
  3. Step 3: Cross multiply
    33,801.20x = 50,706.60 × 10,425.20
  4. Step 4: Simplify right side
    33,801.20x = 528,626,446.32
  5. Step 5: Solve for x
    x = 528,626,446.32/33,801.20
  6. Step 6: Final answer
    x = 15,639.28

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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.