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Finding the Fourth Proportional to 33,802.20, 50,708.10 and 10,426.20

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Solution

The fourth proportional to 33,802.20, 50,708.10 and 10,426.20 is: 15,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,802.20 : 50,708.10 = 10,426.20 : x
  2. Step 2: Convert to fraction form
    33,802.20/50,708.10 = 10,426.20/x
  3. Step 3: Cross multiply
    33,802.20x = 50,708.10 × 10,426.20
  4. Step 4: Simplify right side
    33,802.20x = 528,692,792.22
  5. Step 5: Solve for x
    x = 528,692,792.22/33,802.20
  6. Step 6: Final answer
    x = 15,640.78

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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.