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Finding the Fourth Proportional to 33,653.60, 50,480.60 and 10,280.04

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Solution

The fourth proportional to 33,653.60, 50,480.60 and 10,280.04 is: 15,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,653.60 : 50,480.60 = 10,280.04 : x
  2. Step 2: Convert to fraction form
    33,653.60/50,480.60 = 10,280.04/x
  3. Step 3: Cross multiply
    33,653.60x = 50,480.60 × 10,280.04
  4. Step 4: Simplify right side
    33,653.60x = 518,942,587.22
  5. Step 5: Solve for x
    x = 518,942,587.22/33,653.60
  6. Step 6: Final answer
    x = 15,420.12

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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.